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What is the Least Common Multiple of 7956 and 7962?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 7956 and 7962 is 10557612.

LCM(7956,7962) = 10557612

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Least Common Multiple of 7956 and 7962 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7956 and 7962, than apply into the LCM equation.

GCF(7956,7962) = 6
LCM(7956,7962) = ( 7956 × 7962) / 6
LCM(7956,7962) = 63345672 / 6
LCM(7956,7962) = 10557612

Least Common Multiple (LCM) of 7956 and 7962 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7956 and 7962. First we will calculate the prime factors of 7956 and 7962.

Prime Factorization of 7956

Prime factors of 7956 are 2, 3, 13, 17. Prime factorization of 7956 in exponential form is:

7956 = 22 × 32 × 131 × 171

Prime Factorization of 7962

Prime factors of 7962 are 2, 3, 1327. Prime factorization of 7962 in exponential form is:

7962 = 21 × 31 × 13271

Now multiplying the highest exponent prime factors to calculate the LCM of 7956 and 7962.

LCM(7956,7962) = 22 × 32 × 131 × 171 × 13271
LCM(7956,7962) = 10557612