GCF and LCM Calculator Logo

What is the Least Common Multiple of 80580 and 80591?

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 80580 and 80591 is 6494022780.

LCM(80580,80591) = 6494022780

LCM Calculator and
and

Least Common Multiple of 80580 and 80591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80580 and 80591, than apply into the LCM equation.

GCF(80580,80591) = 1
LCM(80580,80591) = ( 80580 × 80591) / 1
LCM(80580,80591) = 6494022780 / 1
LCM(80580,80591) = 6494022780

Least Common Multiple (LCM) of 80580 and 80591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80580 and 80591. First we will calculate the prime factors of 80580 and 80591.

Prime Factorization of 80580

Prime factors of 80580 are 2, 3, 5, 17, 79. Prime factorization of 80580 in exponential form is:

80580 = 22 × 31 × 51 × 171 × 791

Prime Factorization of 80591

Prime factors of 80591 are 7, 29, 397. Prime factorization of 80591 in exponential form is:

80591 = 71 × 291 × 3971

Now multiplying the highest exponent prime factors to calculate the LCM of 80580 and 80591.

LCM(80580,80591) = 22 × 31 × 51 × 171 × 791 × 71 × 291 × 3971
LCM(80580,80591) = 6494022780