08-02-2017
Mathematics

contestada

which of these num. are prime:
1, 11, 21, 51?

Respuesta :

Аноним Аноним

08-02-2017

11 is a prime number

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Аноним Аноним

08-02-2017

A prime number is a number that can only be divided by 1 and itself evenly.

So, the answers are 1 and 11.

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