Because it can be divided into both numbers with no remainder
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The highest common factor (HCF) of 8, 12, and 36 is 4. To find the HCF, you need to identify the common factors of all three numbers and then determine the highest one they all share. In this case, the common factors of 8, 12, and 36 are 1, 2, and 4, with 4 being the highest common factor.
The Greatest Common Factor of 16, 36: 4
The factors of 16 are 2, 4 and 8. The factors of 36 are 2, 4, 9, 12 and 18. The common factors are therefore 2 and 4. The common prime factor is 2.
GCF (4, 16, 36) = 4
It is 4