nnicolet2010 nnicolet2010
  • 15-02-2021
  • Mathematics
contestada

I need to know if 22,15,13, or 12 is a prime number, please help me out!

Respuesta :

khushi200711 khushi200711
  • 15-02-2021
13 is a prime number only out of those 4
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MathWeWe
MathWeWe MathWeWe
  • 15-02-2021

22 has factors of 1, 2, 11, 21, so it is a composite number.

15 has factors of 1, 3, 5, 14, so it is a composite number.

13 has factors of 1, 13, so it is a prime number.

12 has factors of 1, 2, 3, 4, 6, 12, so it is a composite number.

13 is the only prime number in this set.

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