280 = 2 x 2 x 2 x 5 x 7
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2*2*2*5*72 x 2 x 2 x 5 x 7 = 280
As a product of its prime factors: 2*2*2*5*7 = 280
yes it is relatively prime
Alright, buckle up buttercup. The Highest Common Factor (HCF) of 280 and 180 is 20. That's right, 20 is the largest number that divides both 280 and 180 without leaving a remainder. So, there you have it, 20 is the HCF you're looking for.
280 = 23 x 5 x 7