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What is the Least Common Multiple of 66489 and 66501?

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 66489 and 66501 is 1473861663.

LCM(66489,66501) = 1473861663

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Least Common Multiple of 66489 and 66501 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66489 and 66501, than apply into the LCM equation.

GCF(66489,66501) = 3
LCM(66489,66501) = ( 66489 × 66501) / 3
LCM(66489,66501) = 4421584989 / 3
LCM(66489,66501) = 1473861663

Least Common Multiple (LCM) of 66489 and 66501 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66489 and 66501. First we will calculate the prime factors of 66489 and 66501.

Prime Factorization of 66489

Prime factors of 66489 are 3, 37, 599. Prime factorization of 66489 in exponential form is:

66489 = 31 × 371 × 5991

Prime Factorization of 66501

Prime factors of 66501 are 3, 821. Prime factorization of 66501 in exponential form is:

66501 = 34 × 8211

Now multiplying the highest exponent prime factors to calculate the LCM of 66489 and 66501.

LCM(66489,66501) = 34 × 371 × 5991 × 8211
LCM(66489,66501) = 1473861663