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17 votes
What is the greatest common factor (GCF) of 15 and 64?

1. (3)
2.(4)
3.(8)
4.(1)​

User Mujaffars
by
7.6k points

2 Answers

8 votes

Answer: 1 or D

Explanation:

User Bharadwaj
by
8.2k points
14 votes
It’s 1.

Explanation: you need to find the greatest factor that works out for them both. You can cross out 4 and 8 because no other whole number can be multiplied to get 15, and it’s not 3 since you can’t multiply it with a whole number to get 64. 1 works for them both.
User Prateek Mishra
by
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