Learn how to use a factor tree and the prime numbers for 7 and 8 in order to find the least common multiple ( LCM ) of 7 and 8 and the GCF or greatest common factor for 8 and 7.

The Least Common Multiple ( LCM ) of 7 and 8 equals 56

The Greatest Common Factor ( GCF ) of 7 and 8 equal 1

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