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What is the Least Common Multiple of 83574 and 83581?

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 83574 and 83581 is 6985198494.

LCM(83574,83581) = 6985198494

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Least Common Multiple of 83574 and 83581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83574 and 83581, than apply into the LCM equation.

GCF(83574,83581) = 1
LCM(83574,83581) = ( 83574 × 83581) / 1
LCM(83574,83581) = 6985198494 / 1
LCM(83574,83581) = 6985198494

Least Common Multiple (LCM) of 83574 and 83581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83574 and 83581. First we will calculate the prime factors of 83574 and 83581.

Prime Factorization of 83574

Prime factors of 83574 are 2, 3, 4643. Prime factorization of 83574 in exponential form is:

83574 = 21 × 32 × 46431

Prime Factorization of 83581

Prime factors of 83581 are 19, 53, 83. Prime factorization of 83581 in exponential form is:

83581 = 191 × 531 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 83574 and 83581.

LCM(83574,83581) = 21 × 32 × 46431 × 191 × 531 × 831
LCM(83574,83581) = 6985198494