Is the number 8 prime? ... No, it can be divided by 2
And the number 121? ... by 3 No .. by 7 no ... 11 yes, it can be divided by 11
And 829 .. Ufff, I don't know
With this application you will see a list of the first 5000 primes, and if you don´t find it you can enter the number and you will see either it is prime or the factors
Only works on ARM processors with NEON
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