SaaahRhoBrandyn SaaahRhoBrandyn

02-05-2017
Mathematics

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Identify the prime numbers in the following lists.
a. 5, 7, 12, 11
b. 14, 6, 3
c. 31, 17, 9, 15
d. 782, 61, 2

Respuesta :

gordon333cn gordon333cn

02-05-2017

a. 5,7,11
b. 3
c 31,17
d. 2,61

Answer Link

02-05-2017

A prime number is a number that only one times that number can be done
5 is prime only 1x5 and 5x1
a. 5,7,11
b. 3 not 14 cuz 1x14 and 2x7
c. 31,17. Not 9 cuz 1x9 and 3x3 not 15 cuz 1x15 and 3x5
d. 61,2 not 782 cuz 1x782 and 2x391

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