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What is the Least Common Multiple of 74570 and 74581?

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 74570 and 74581 is 5561505170.

LCM(74570,74581) = 5561505170

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Least Common Multiple of 74570 and 74581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74570 and 74581, than apply into the LCM equation.

GCF(74570,74581) = 1
LCM(74570,74581) = ( 74570 × 74581) / 1
LCM(74570,74581) = 5561505170 / 1
LCM(74570,74581) = 5561505170

Least Common Multiple (LCM) of 74570 and 74581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74570 and 74581. First we will calculate the prime factors of 74570 and 74581.

Prime Factorization of 74570

Prime factors of 74570 are 2, 5, 7457. Prime factorization of 74570 in exponential form is:

74570 = 21 × 51 × 74571

Prime Factorization of 74581

Prime factors of 74581 are 13, 5737. Prime factorization of 74581 in exponential form is:

74581 = 131 × 57371

Now multiplying the highest exponent prime factors to calculate the LCM of 74570 and 74581.

LCM(74570,74581) = 21 × 51 × 74571 × 131 × 57371
LCM(74570,74581) = 5561505170