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2 votes
Find The greatest common Factor of 7, 15, 21

2 Answers

6 votes

Answer:

1

Explanation:

User Micjamking
by
4.0k points
2 votes

Answer:

1

Explanation:

1. List the prime factors of each number.

2. Circle every common prime factor — that is, every prime factor that's a factor of every number in the set.

3. Multiply all the circled numbers. The result is the GCF.

User Fasoeu
by
3.2k points