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What is the Least Common Multiple of 66489 and 66505?

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 66505 is 4421850945.

LCM(66489,66505) = 4421850945

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Least Common Multiple of 66489 and 66505 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 66505, than apply into the LCM equation.

GCF(66489,66505) = 1
LCM(66489,66505) = ( 66489 × 66505) / 1
LCM(66489,66505) = 4421850945 / 1
LCM(66489,66505) = 4421850945

Least Common Multiple (LCM) of 66489 and 66505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66489 and 66505. First we will calculate the prime factors of 66489 and 66505.

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 66505

Prime factors of 66505 are 5, 47, 283. Prime factorization of 66505 in exponential form is:

66505 = 51 × 471 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 66489 and 66505.

LCM(66489,66505) = 31 × 371 × 5991 × 51 × 471 × 2831
LCM(66489,66505) = 4421850945