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Q: What is the LCM of 1 and 7?

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The LCM of 1 and 7 is 7.

If you mean 7 and 13 then the LCM is 91

84 and 1, respectively.

The LCM of 7 and 15 is 105. The GCF of 7 and 15 is 1.

hcf is 1 and LCM is 35

LCM 21, and GCF =1

3=3*1 7=7*1 21=3*7 LCM=(3*7)=(21*1)=21

The LCM of 3, 5 and 7 is 105. The GCF is 1.

7 and 8 have no common factors (other than 1) so their LCM is their multiple.That is, LCM of 7 and 8 is 7*8 = 56

Assuming you mean the LCM (Least Common Denominator of 2 fractions is the LCM of the denominators, which for 7/1 and 16/1 is 1), the answer is 112.

the lcm of 1 2 3 4 5 6 7 is 420

Well, 7 and 13 are both prime numbers, so 1 would be the LCM.

21

1

1

1

LCM is 105. GCF is 1.

LCM(6, 7, 14) = 42 GCF(6, 7, 14) = 1

the lcm of 3 and 7 is 21 and the lcm of 7 and 21 is 21, so the lcm of 3, 7 and 21 is the lcm of 21 and 21 which is 21.

21 is the LCM since the numbers have no common factors except 1.

1

Since 6 and 7 share no common factor other than 1, the LCM is their product, 42.

LCM(7, 49) = 49.

Since 7 and 8 have no common factor (other than 1), their LCM is 7*8 = 56

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