The GCF is 1.
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The factors of 20 are 1, 2, 4, 5, 10, and 20.The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80The gcf of 20, 30, and 80 is 10.
2 x 3 = 6 2 x 5 = 10 The GCF is 2.
the GCF of 9 & 30 = 3 Prime Factorization of: 9 = 3 * 3 30=.....3 * 2 * 5 =========== GCF = 3
The factors of 10 are:1, 2, 5, 10The factors of 30 are:1, 2, 3, 5, 6, 10, 15, 30The factors of 40 are:1, 2, 4, 5, 8, 10, 20, 40The common factors are:1, 2, 5, 10The Greatest Common Factor (GCF) is:10
GCF of 30 & 100 = 10prime factorization of:30 = 2 x 5 x 3100=2 x 5 ----x 5 x 2==============GCF=2 x5GCF=10