The Greatest Common Factor (GCF) of 21 and 90 is 3.
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∙ 13y agoThe GCF is 3.
The GCF is 1.
3 3*7=21 3*30=90 * * * * * That is the Greatest Common Factor, GCF, not the LCM. LCM(21, 90) = 630
The GCF is 3.
The GCF is 1.
The GCF is 1.
the GCF is 3.
The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42.The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90.The common factors are: 1, 2, 3, 6The Greatest Common Factor (GCF) is: 6
The GCF is 5.
The GCF of 15 and 90 is 15.
The GCF is 90.
If A is a factor of 90, the GCF is A. If A is a multiple of 90, the GCF is 90. If A is co-prime with 90, the GCF is 1.