GCF and LCM Calculator Logo

What is the Least Common Multiple of 66581 and 66588?

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 66581 and 66588 is 4433495628.

LCM(66581,66588) = 4433495628

LCM Calculator and
and

Least Common Multiple of 66581 and 66588 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66581 and 66588, than apply into the LCM equation.

GCF(66581,66588) = 1
LCM(66581,66588) = ( 66581 × 66588) / 1
LCM(66581,66588) = 4433495628 / 1
LCM(66581,66588) = 4433495628

Least Common Multiple (LCM) of 66581 and 66588 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66581 and 66588. First we will calculate the prime factors of 66581 and 66588.

Prime Factorization of 66581

Prime factors of 66581 are 139, 479. Prime factorization of 66581 in exponential form is:

66581 = 1391 × 4791

Prime Factorization of 66588

Prime factors of 66588 are 2, 3, 31, 179. Prime factorization of 66588 in exponential form is:

66588 = 22 × 31 × 311 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 66581 and 66588.

LCM(66581,66588) = 1391 × 4791 × 22 × 31 × 311 × 1791
LCM(66581,66588) = 4433495628