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Earn +20 ptsQ: What is the highest common factor of 21 and 105?
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What is the highest common factor of 105 and 63?
The factors of 105 are 3,5, & 7. The factors of 63 are 3,3, & 7. One lot of '3' and one lot of '7' is common to both numbers. Hence 3 x 7 = 21 , which is the HCF of 105,& 63.
What expression represents the gcf of 105 and 126?
The expression that represents the greatest common factor (gcf) of 105 and 126 is 3 x 7 but the greatest common factor of them is 21
What is the highest common factor of 28 and 21?
it is 7
Which number goes into 21 and 18?
The highest common factor of 21 and 18 is 3
What is the greaste common factor of 105 and 147?
The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105The factors of 147 are: 1, 3, 7, 21, 49, 147The common factors are: 1, 3, 7, 21The Greatest Common Factor (GCF) is: 21
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