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What is the Least Common Multiple of 90571 and 90580?

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 90571 and 90580 is 8203921180.

LCM(90571,90580) = 8203921180

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Least Common Multiple of 90571 and 90580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90571 and 90580, than apply into the LCM equation.

GCF(90571,90580) = 1
LCM(90571,90580) = ( 90571 × 90580) / 1
LCM(90571,90580) = 8203921180 / 1
LCM(90571,90580) = 8203921180

Least Common Multiple (LCM) of 90571 and 90580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90571 and 90580. First we will calculate the prime factors of 90571 and 90580.

Prime Factorization of 90571

Prime factors of 90571 are 13, 6967. Prime factorization of 90571 in exponential form is:

90571 = 131 × 69671

Prime Factorization of 90580

Prime factors of 90580 are 2, 5, 7, 647. Prime factorization of 90580 in exponential form is:

90580 = 22 × 51 × 71 × 6471

Now multiplying the highest exponent prime factors to calculate the LCM of 90571 and 90580.

LCM(90571,90580) = 131 × 69671 × 22 × 51 × 71 × 6471
LCM(90571,90580) = 8203921180