me271
me271 me271
  • 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


Answer Link
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.
Answer Link

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