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What is the Least Common Multiple of 8989 and 9008?

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 8989 and 9008 is 80972912.

LCM(8989,9008) = 80972912

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Least Common Multiple of 8989 and 9008 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8989 and 9008, than apply into the LCM equation.

GCF(8989,9008) = 1
LCM(8989,9008) = ( 8989 × 9008) / 1
LCM(8989,9008) = 80972912 / 1
LCM(8989,9008) = 80972912

Least Common Multiple (LCM) of 8989 and 9008 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8989 and 9008. First we will calculate the prime factors of 8989 and 9008.

Prime Factorization of 8989

Prime factors of 8989 are 89, 101. Prime factorization of 8989 in exponential form is:

8989 = 891 × 1011

Prime Factorization of 9008

Prime factors of 9008 are 2, 563. Prime factorization of 9008 in exponential form is:

9008 = 24 × 5631

Now multiplying the highest exponent prime factors to calculate the LCM of 8989 and 9008.

LCM(8989,9008) = 891 × 1011 × 24 × 5631
LCM(8989,9008) = 80972912