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Find the GCF of 17,19 using prime factorizations

User Vahe
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2 Answers

4 votes
Both 17 and 19 are prime numbers so their GCF is 1.
User Kfsone
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These numbers are prime, not composite, so they can only be divided by one and themselves. So the greatest common factor is 1.

17
/ \
1 17

19
/ \
1 19
User MagePal Extensions
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