23 and 29 are both prime numbers. The GCF of any two prime numbers is 1.
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GCF of a and b is a if b is divisible by a.87 is divisible by 29 so, GCF(29,87) = 29.
GCF of 29 and 58 is 29The GCF is 29.
The GCF is 23.
The GCF is 23.
GCF(23, 69, 92) = 23. Listing 69 twice makes no difference.