Question

WHAT FACTOR DO 15 AND 21 have in common ​

Answer 1

Answer:

3

Step-by-step explanation:

3 ................

3...........

Answer 2

Answer:

common factor r....

Step-by-step explanation:

greatest common factor (gcf) of 15 and 21 and 3.we will now find the prime factors of 15 and 21,than find the greatest common factor (greatest common divisor(gcd) of the number by matching the biggest common factor of 15 and 21

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