Composite numbers and
prime factors
Which set is not made up only of prime
numbers? Circle the correct answer.
a {1, 2, 3, 5, 7, 11, 13, 17.}
b {13, 17, 19, 23, 29, 31, 37, 41.}
c{17, 19, 23, 29, 31, 37, 41, 43.}
d {31, 37, 41, 43, 47, 53, 59, 61, 67.}
nr circle the correct answers.

Indeed, the definition of a prime number is to be divisible by two distinct integers, 1 and itself. Concerning the number 1, the two divisors 1 and itself are not distinct: they are equal. Therefore, 1 does not match the definition of a prime number, and therefore is not a prime number!

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darthvilor darthvilor · Answer 2 · 2020-03-16T22:46:31+01:00

darthvilor darthvilor

16-03-2020

Answer:

a

Step-by-step explanation:

1 is not a prime number

Answer Link

Composite numbers andprime factorsWhich set is not made up only of primenumbers? Circle the correct answer.a {1, 2, 3, 5, 7, 11, 13, 17.}b {13, 17, 19, 23, 29, 31, 37, 41.}c{17, 19, 23, 29, 31, 37, 41, 43.}d {31, 37, 41, 43, 47, 53, 59, 61, 67.}nr circle the correct answers.​

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Composite numbers and
prime factors
Which set is not made up only of prime
numbers? Circle the correct answer.
a {1, 2, 3, 5, 7, 11, 13, 17.}
b {13, 17, 19, 23, 29, 31, 37, 41.}
c{17, 19, 23, 29, 31, 37, 41, 43.}
d {31, 37, 41, 43, 47, 53, 59, 61, 67.}
nr circle the correct answers.