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What is the Least Common Multiple of 78627 and 78640?

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 78627 and 78640 is 6183227280.

LCM(78627,78640) = 6183227280

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Least Common Multiple of 78627 and 78640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78627 and 78640, than apply into the LCM equation.

GCF(78627,78640) = 1
LCM(78627,78640) = ( 78627 × 78640) / 1
LCM(78627,78640) = 6183227280 / 1
LCM(78627,78640) = 6183227280

Least Common Multiple (LCM) of 78627 and 78640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78627 and 78640. First we will calculate the prime factors of 78627 and 78640.

Prime Factorization of 78627

Prime factors of 78627 are 3, 26209. Prime factorization of 78627 in exponential form is:

78627 = 31 × 262091

Prime Factorization of 78640

Prime factors of 78640 are 2, 5, 983. Prime factorization of 78640 in exponential form is:

78640 = 24 × 51 × 9831

Now multiplying the highest exponent prime factors to calculate the LCM of 78627 and 78640.

LCM(78627,78640) = 31 × 262091 × 24 × 51 × 9831
LCM(78627,78640) = 6183227280