GCF and LCM Calculator Logo

What is the Least Common Multiple of 66489 and 66506?

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 66506 is 4421917434.

LCM(66489,66506) = 4421917434

LCM Calculator and
and

Least Common Multiple of 66489 and 66506 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 66506, than apply into the LCM equation.

GCF(66489,66506) = 1
LCM(66489,66506) = ( 66489 × 66506) / 1
LCM(66489,66506) = 4421917434 / 1
LCM(66489,66506) = 4421917434

Least Common Multiple (LCM) of 66489 and 66506 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66489 and 66506. First we will calculate the prime factors of 66489 and 66506.

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 66506

Prime factors of 66506 are 2, 11, 3023. Prime factorization of 66506 in exponential form is:

66506 = 21 × 111 × 30231

Now multiplying the highest exponent prime factors to calculate the LCM of 66489 and 66506.

LCM(66489,66506) = 31 × 371 × 5991 × 21 × 111 × 30231
LCM(66489,66506) = 4421917434