Which number is NOT a common factor OF 15, 45, AND 90?

A) 3

B) 5

C) 10

D) 15

Question

Mathematics

Arely Park

1 December, 16:21

Which number is NOT a common factor OF 15, 45, AND 90?

A) 3

B) 5

C) 10

D) 15

+3

Answers (2)

Know the Answer?

Lola Strickland · Answer 1

None, but 7 is not a common factor of 15,45, and 90

think about it.

3 x 5=15 << = = that already eliminates it

5 x 3 = 15 << = = that also eliminates it

10 x 9 = 90 << = = eliminated

15 x 1 = 15 << = = so all of them are eliminated as an answer

Nehemiah Hobbs · Answer 2

Nehemiah Hobbs 1 December, 19:41

0

The answer is is b) 10

Which number is NOT a common factor OF 15, 45, AND 90?A) 3B) 5C) 10D) 15

Which number is NOT a common factor OF 15, 45, AND 90?

A) 3

B) 5

C) 10

D) 15