The GCF is 1.
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'5' The HCF (High Common Factor) can be found by dividing each number by its prime factors. Hence 15 = 3, 5. 25 = 5,5 '5' is common to both '15' & '25' , so it is the hcf.
The GCF is 42.
The Highest Common Factor (HCF) of 480 and 1080 is the largest positive integer that divides both numbers without leaving a remainder. To find the HCF, we need to factorize both numbers into their prime factors. The prime factors of 480 are 2^5 x 3 x 5, and the prime factors of 1080 are 2^3 x 3^3 x 5. To find the HCF, we take the common prime factors with the lowest exponent, which are 2^3 x 3 = 24. Therefore, the HCF of 480 and 1080 is 24.
The HCF of 4 and 5 is 1.
5=5x1 35=5x7 HCF=5