Is there a pattern behind prime numbers?

There is a rule on how we find prime numbers.

Step-by-step explanation:

A clear rule determines exactly what makes a prime: it's a whole number that can't be exactly divided by anything except 1 and itself. But there's no discernible pattern in the occurrence of the primes.That's because, after the number 5, there are only four possibilities — 1, 3, 7, and 9 — for prime last digits

Nah u just have to memorize some of the them that frequently appeared in the test

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b

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1/3 + 1/5 = 8/15.

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hope it