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Q: What is the HCF and LCM of 5 and 7?

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hcf(5, 15) = 5 lcm(5, 15) = 15.

5 and 10 lcm- 10 and hcf= 5

2 x 2 x 5 x 7 = 140 5 x 9 x 9 = 405 HCF is 5 LCM is 11,340

hcf(14, 30) = 2 lcm(14, 30) = 210 14 = 2 x 7 30 = 2 x 3 x 5 hcf = 2 lcm = 2 x 3 x 5 x 7 = 210

If there is no common factor greater than 1, then the lcm of those numbers is the product of those numbers. eg hcf(5, 7) = 1 → lcm(5, 7) = 5 x 7 = 35 eg hcf(4, 9) = 1 → lcm(4, 9) = 4 x 9 = 36

No, that is the HCF. The LCM is 1800

You need at least two numbers to find both of those. If that's 5 and 7, the GCF is 1, the LCM is 35.

5 and 60 do.

LCM is 20 and the hcf is 10

HCF of 17 and 68 is 17 ..( Lowest Prime factor ) LCM Of 102 and 476 is 7*2^2*3*17 which is 1428 .. ==> Sum of HCF and LCM are 1428+17= 1445 .

hcf = 15 lcm = 3510 270 = 2 x 33 x 5 195 = 3 x 5 x 13 hcf = 3 x 5 = 15 lcm = 2 x 33 x 5 x 13 = 3510

The HCF of 165 and 210 is 15. The LCM is 2310.

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