Program To Check If A Number Is Prime Or Not In Java | FREE DSA Course in JAVA | Lecture 10

Data Structures and Algorithms Free Course (Learn DSA Without Paise) Playlist - • Data Structures And Al...
We are up with the lecture 10 of our much awaited dsa course in java.
We are up with a new lecture in the mathematics module of our free dsa course. Today we will learn about how to find if a number is prime or not.
We will understand the complete logic behind prime number and what is the logic behind the program to find if a number is prime or not.
Finding whether a number is a prime number or not is a very popular programming question from the point of interview and every job aspirant must learn the concept behind this program.
In this lecture we will learn the complete logic behind the prime number identification program and the complete code in java as well.
Watch the complete lecture and add more expertise to your dsa learnings.
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[@MadhavBRohidekar]

This Logic does not work for higher numbers , it restricts you to lesser number only for Example 21 is divisible by 7 (7*3=21)

[@rahulgaikwad593]

is 25 prime? As per your logic 25 s prime. but actually its not

[@prantidatta3566]

Please answer for 9

[@Krishnadev-od8nq]

sir the time complexity for this cannn also be minimize to o(1) or o(4) by this if(num==1)return false; if(num==2||num==3||num==5)return true; if(num%2==0||num%3==0||num%5==0)return false; return true; }

[@trijay]

I am a student of Rohit sir... Batch 2016 ... After that I am seeing him here... As usual very well explained sir...fan of you

[@11csepratikshaargulewar71]

At timestamp 27:00 checkPrime method isn't called .but it is called isPrime

[@_sarthakmisal]

@tapacademy sir you said 35 is included in sexy prime numbers but how it can be 28:26

[@sunthar16]

@4.50, num/2 == Last factor, but its not applicable for number - 9 , when 9/2 return 4, not factor 3

[@mahavir9267]

Thank you sir, but I have a doubt is 35 prime? Because it's factors: 1,5,7,35 🤔🤔

[@charukeshck6502]

Sir U look like KL Rahul😄😄

[@monikaed.education4954]

Amazing and unique ways shared to solve and get outputs concepts it's really so much helpful I ever seen before ❤😮

[@syedsuhel6164]

In last Ur not invokes the checkprime function. Logic is still executing form isprime function😢

[@shitalshinde9387]

Sir 35 is not prime but In program we gave it as a prime . Then how can we solve it by other method.

[@TAPACADEMY]

Check your program again, it will not return prime for 35

[@badetijayasrianjana6125]

35 is not a prime, why it named as sexy prime

[@nadeemmirza3245]

Yes , since it is divisible by 5

[@sush_cat2601]

25 is not prime no 😂😂this is flaw But I love your teaching method Excellent teacher you are,always ready to shair every knowledge which you have

[@narayanavenkata2644]

Hello sir....can u please upload the video for finding.... square root (√x)....values...

[@chaituchaitanya6556]

Hi sir, at 4:42,you mentioned that the last factor is divided by 2. However, 2, 3, 4, 3, 5, 6, out of these highlighted numbers,2, 2, 5 are not divided by 2. Can someone please clarify where am I missing?

[@NmesomaPeter-h5v]

God bless you for this, THis is the best explanation every

[@bokinalavijay6876]

9/2 = 4 and it is !3 know??

[@ROHITKUMAR-or9tk]

We do i*i

[@Poojayadav-hg4vw]

Your lectures are amazing !!

[@chiranjeevi.vchiru5161]

Whenever I see your videos and way of teaching, I get motivation for coding Rohit sir

[@jaykumarkota3161]

Amazing explanation❤

[@geethikareddy8707]

if we type 1 it is coming true

[@ayantikapaik3688]

U are great🥺I got ur teeching so comfortable after hcf and lcm solution on java.

[@indirajithl1866]

Wonderful explanation I have ever had..

[@TECHLAY-x4f]

Sir awesome

[@midlajahmad-cs0058]

one of the cool and crisp explaination

[@lakshmiram2935]

best video for beginners

[@116_likhitawanjari2]

editor so smart.

[@Jdk281]

Love the way you teach...

[@iamdhanush03]

Amazing

[@libertak1813]

you deserve more views

[@RaviGupta-vj1we]

excellent 🙂🙂

[@hegde421201]

Excellent rohit ravinder

[@swapnil72]

Till date this is the best video explanation I have seen on the analysis of prime number & how to find them in Java this video deserves the title of "fantastic primes and where to find them" 😅 This video perfectly explains the programming logic of finding primes whilst preserving the pure essence mathematical analysis ❤

[@RajeshSharma-el7oj]

Sir please hindi me video banaiye please 🙏🙏 humlog ko bhi help mele.... Please 🙏🙏🙏🙏 aapki content jabardast hai