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What is the Least Common Multiple of 66645 and 66665?

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 66645 and 66665 is 888577785.

LCM(66645,66665) = 888577785

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Least Common Multiple of 66645 and 66665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66645 and 66665, than apply into the LCM equation.

GCF(66645,66665) = 5
LCM(66645,66665) = ( 66645 × 66665) / 5
LCM(66645,66665) = 4442888925 / 5
LCM(66645,66665) = 888577785

Least Common Multiple (LCM) of 66645 and 66665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66645 and 66665. First we will calculate the prime factors of 66645 and 66665.

Prime Factorization of 66645

Prime factors of 66645 are 3, 5, 1481. Prime factorization of 66645 in exponential form is:

66645 = 32 × 51 × 14811

Prime Factorization of 66665

Prime factors of 66665 are 5, 67, 199. Prime factorization of 66665 in exponential form is:

66665 = 51 × 671 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 66645 and 66665.

LCM(66645,66665) = 32 × 51 × 14811 × 671 × 1991
LCM(66645,66665) = 888577785