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What is the Least Common Multiple of 72546 and 72557?

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 72546 and 72557 is 5263720122.

LCM(72546,72557) = 5263720122

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Least Common Multiple of 72546 and 72557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72546 and 72557, than apply into the LCM equation.

GCF(72546,72557) = 1
LCM(72546,72557) = ( 72546 × 72557) / 1
LCM(72546,72557) = 5263720122 / 1
LCM(72546,72557) = 5263720122

Least Common Multiple (LCM) of 72546 and 72557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72546 and 72557. First we will calculate the prime factors of 72546 and 72557.

Prime Factorization of 72546

Prime factors of 72546 are 2, 3, 107, 113. Prime factorization of 72546 in exponential form is:

72546 = 21 × 31 × 1071 × 1131

Prime Factorization of 72557

Prime factors of 72557 are 37, 53. Prime factorization of 72557 in exponential form is:

72557 = 372 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 72546 and 72557.

LCM(72546,72557) = 21 × 31 × 1071 × 1131 × 372 × 531
LCM(72546,72557) = 5263720122