ahmadistikhar23 ahmadistikhar23

21-04-2020
Mathematics

contestada

Is the sum of 2 primes numbers always a prime? Is the
product of 2 prime numbers always prime? Which digits can
or cannot be in the ones column of prime numbers? Why or
why not?

Respuesta :

21-04-2020

Answer:

1.No, eg: 7+5=12

2.No, eg: 2×3=6

3.Sorry, I don't get this question but I hope this was helpful.

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