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What is the Least Common Multiple of 90542 and 90557?

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 90542 and 90557 is 8199211894.

LCM(90542,90557) = 8199211894

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Least Common Multiple of 90542 and 90557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90542 and 90557, than apply into the LCM equation.

GCF(90542,90557) = 1
LCM(90542,90557) = ( 90542 × 90557) / 1
LCM(90542,90557) = 8199211894 / 1
LCM(90542,90557) = 8199211894

Least Common Multiple (LCM) of 90542 and 90557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90542 and 90557. First we will calculate the prime factors of 90542 and 90557.

Prime Factorization of 90542

Prime factors of 90542 are 2, 17, 2663. Prime factorization of 90542 in exponential form is:

90542 = 21 × 171 × 26631

Prime Factorization of 90557

Prime factors of 90557 are 137, 661. Prime factorization of 90557 in exponential form is:

90557 = 1371 × 6611

Now multiplying the highest exponent prime factors to calculate the LCM of 90542 and 90557.

LCM(90542,90557) = 21 × 171 × 26631 × 1371 × 6611
LCM(90542,90557) = 8199211894