Q: What are the hcf of 490 and 630?

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the answer is 49

70, 140, 210, 280, 350, 420, 490, 560, 630, 700, 770 and just keep adding 70 until you get to infinity.

Well, darling, the Highest Common Factor (HCF) of 441 and 630 is 63. It's like finding the biggest common denominator those two numbers can agree on, and 63 is the lucky winner in this case. So, there you have it, math made sassy!

The first 10 multiples of 70: 70, 140, 210, 280, 350, 420, 490, 560, 630, 700

The first 15 multiples of 70: 70, 140, 210, 280, 350, 420, 490, 560, 630, 700, 770, 840, 910, 980, 1050 . . .

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the answer is 49

The GCF is 70.The GCF is 70.

70

70

The GCF is 90.

Looks like 70, 490 = 7 x 70, 630 = 9 x 70 and 7 and 9 are co-prime.

HCF(140, 490) = 70 So 70 and any factor of 70 will do.

You don't. You need at least two numbers to find a GCF.

The Highest Common Factor is 126

The Highest Common Factor (HCF) of two numbers is the largest number that divides both numbers without leaving a remainder. To find the HCF of 630 and 294, you can use the Euclidean algorithm or prime factorization method. By prime factorizing 630 (2 x 3^2 x 5 x 7) and 294 (2 x 3 x 7 x 7), you can identify the common prime factors and determine the HCF, which in this case is 42.

The number is 490.

LCM of two numbers is their product divided by their HCF. First find HCF: 462 = 2 x 3 x 7 x 11; 630 = 2 x 3 x 3 x 5 x 7. The common factors are 2 x 3 x 7 ie HCF = 42 LCM is therefore 462 x 630 / 42 ie 11 x 630 = 6930