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What is the Least Common Multiple of 78631 and 78636?

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 78631 and 78636 is 6183227316.

LCM(78631,78636) = 6183227316

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Least Common Multiple of 78631 and 78636 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78631 and 78636, than apply into the LCM equation.

GCF(78631,78636) = 1
LCM(78631,78636) = ( 78631 × 78636) / 1
LCM(78631,78636) = 6183227316 / 1
LCM(78631,78636) = 6183227316

Least Common Multiple (LCM) of 78631 and 78636 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78631 and 78636. First we will calculate the prime factors of 78631 and 78636.

Prime Factorization of 78631

Prime factors of 78631 are 7, 47, 239. Prime factorization of 78631 in exponential form is:

78631 = 71 × 471 × 2391

Prime Factorization of 78636

Prime factors of 78636 are 2, 3, 6553. Prime factorization of 78636 in exponential form is:

78636 = 22 × 31 × 65531

Now multiplying the highest exponent prime factors to calculate the LCM of 78631 and 78636.

LCM(78631,78636) = 71 × 471 × 2391 × 22 × 31 × 65531
LCM(78631,78636) = 6183227316