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What is the Least Common Multiple of 90557 and 90561?

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 90557 and 90561 is 8200932477.

LCM(90557,90561) = 8200932477

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Least Common Multiple of 90557 and 90561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90557 and 90561, than apply into the LCM equation.

GCF(90557,90561) = 1
LCM(90557,90561) = ( 90557 × 90561) / 1
LCM(90557,90561) = 8200932477 / 1
LCM(90557,90561) = 8200932477

Least Common Multiple (LCM) of 90557 and 90561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90557 and 90561. First we will calculate the prime factors of 90557 and 90561.

Prime Factorization of 90557

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

90557 = 1371 × 6611

Prime Factorization of 90561

Prime factors of 90561 are 3, 30187. Prime factorization of 90561 in exponential form is:

90561 = 31 × 301871

Now multiplying the highest exponent prime factors to calculate the LCM of 90557 and 90561.

LCM(90557,90561) = 1371 × 6611 × 31 × 301871
LCM(90557,90561) = 8200932477