Answer:
The GCF of 7 and 19 is 1.
Step-by-step explanation:
No other number evenly divides into either of these numbers. So the answer is 1.
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1
Factors of 7: 1 , 7
Factors of 19: 1 , 19
Common factors: 1
GCF: 1
First you list down the factors of both 7 and 19. From those factors you select the common ones then you select the greatest commo factor.
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