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What is the Least Common Multiple of 74563 and 74572?

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 74563 and 74572 is 5560312036.

LCM(74563,74572) = 5560312036

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Least Common Multiple of 74563 and 74572 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74563 and 74572, than apply into the LCM equation.

GCF(74563,74572) = 1
LCM(74563,74572) = ( 74563 × 74572) / 1
LCM(74563,74572) = 5560312036 / 1
LCM(74563,74572) = 5560312036

Least Common Multiple (LCM) of 74563 and 74572 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74563 and 74572. First we will calculate the prime factors of 74563 and 74572.

Prime Factorization of 74563

Prime factors of 74563 are 173, 431. Prime factorization of 74563 in exponential form is:

74563 = 1731 × 4311

Prime Factorization of 74572

Prime factors of 74572 are 2, 103, 181. Prime factorization of 74572 in exponential form is:

74572 = 22 × 1031 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 74563 and 74572.

LCM(74563,74572) = 1731 × 4311 × 22 × 1031 × 1811
LCM(74563,74572) = 5560312036