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What is the Least Common Multiple of 86574 and 86581?

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 86574 and 86581 is 7495663494.

LCM(86574,86581) = 7495663494

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Least Common Multiple of 86574 and 86581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86574 and 86581, than apply into the LCM equation.

GCF(86574,86581) = 1
LCM(86574,86581) = ( 86574 × 86581) / 1
LCM(86574,86581) = 7495663494 / 1
LCM(86574,86581) = 7495663494

Least Common Multiple (LCM) of 86574 and 86581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86574 and 86581. First we will calculate the prime factors of 86574 and 86581.

Prime Factorization of 86574

Prime factors of 86574 are 2, 3, 47, 307. Prime factorization of 86574 in exponential form is:

86574 = 21 × 31 × 471 × 3071

Prime Factorization of 86581

Prime factors of 86581 are 11, 17, 463. Prime factorization of 86581 in exponential form is:

86581 = 111 × 171 × 4631

Now multiplying the highest exponent prime factors to calculate the LCM of 86574 and 86581.

LCM(86574,86581) = 21 × 31 × 471 × 3071 × 111 × 171 × 4631
LCM(86574,86581) = 7495663494