70
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Oh, dude, the Highest Common Factor (HCF) of 490 and 1050 is 70. It's like the cool kid that hangs out with both 490 and 1050 without any drama. So, yeah, 70 is the number that divides both 490 and 1050 without leaving any remainder.
hcf(490, 1750) = 70 Using factorisation: 490 = 2 x 5 x 7² 1750 = 2 x 5³ x 7 hcf = 2 x 5 x 7 = 70
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.
140, 210, 280, 350, 420, 490, 560, 630, +70 . . .
490