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What is the Least Common Multiple of 78637 and 78657?

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 78637 and 78657 is 6185350509.

LCM(78637,78657) = 6185350509

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Least Common Multiple of 78637 and 78657 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78637 and 78657, than apply into the LCM equation.

GCF(78637,78657) = 1
LCM(78637,78657) = ( 78637 × 78657) / 1
LCM(78637,78657) = 6185350509 / 1
LCM(78637,78657) = 6185350509

Least Common Multiple (LCM) of 78637 and 78657 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78637 and 78657. First we will calculate the prime factors of 78637 and 78657.

Prime Factorization of 78637

Prime factors of 78637 are 13, 23, 263. Prime factorization of 78637 in exponential form is:

78637 = 131 × 231 × 2631

Prime Factorization of 78657

Prime factors of 78657 are 3, 157, 167. Prime factorization of 78657 in exponential form is:

78657 = 31 × 1571 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 78637 and 78657.

LCM(78637,78657) = 131 × 231 × 2631 × 31 × 1571 × 1671
LCM(78637,78657) = 6185350509