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What is the Least Common Multiple of 90574 and 90581?

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 90574 and 90581 is 8204283494.

LCM(90574,90581) = 8204283494

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Least Common Multiple of 90574 and 90581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90574 and 90581, than apply into the LCM equation.

GCF(90574,90581) = 1
LCM(90574,90581) = ( 90574 × 90581) / 1
LCM(90574,90581) = 8204283494 / 1
LCM(90574,90581) = 8204283494

Least Common Multiple (LCM) of 90574 and 90581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90574 and 90581. First we will calculate the prime factors of 90574 and 90581.

Prime Factorization of 90574

Prime factors of 90574 are 2, 11, 23, 179. Prime factorization of 90574 in exponential form is:

90574 = 21 × 111 × 231 × 1791

Prime Factorization of 90581

Prime factors of 90581 are 239, 379. Prime factorization of 90581 in exponential form is:

90581 = 2391 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 90574 and 90581.

LCM(90574,90581) = 21 × 111 × 231 × 1791 × 2391 × 3791
LCM(90574,90581) = 8204283494