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What is the Least Common Multiple of 78531 and 78550?

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 78531 and 78550 is 6168610050.

LCM(78531,78550) = 6168610050

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Least Common Multiple of 78531 and 78550 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78531 and 78550, than apply into the LCM equation.

GCF(78531,78550) = 1
LCM(78531,78550) = ( 78531 × 78550) / 1
LCM(78531,78550) = 6168610050 / 1
LCM(78531,78550) = 6168610050

Least Common Multiple (LCM) of 78531 and 78550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78531 and 78550. First we will calculate the prime factors of 78531 and 78550.

Prime Factorization of 78531

Prime factors of 78531 are 3, 26177. Prime factorization of 78531 in exponential form is:

78531 = 31 × 261771

Prime Factorization of 78550

Prime factors of 78550 are 2, 5, 1571. Prime factorization of 78550 in exponential form is:

78550 = 21 × 52 × 15711

Now multiplying the highest exponent prime factors to calculate the LCM of 78531 and 78550.

LCM(78531,78550) = 31 × 261771 × 21 × 52 × 15711
LCM(78531,78550) = 6168610050