GCF and LCM Calculator Logo

What is the Least Common Multiple of 65580 and 65591?

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 65580 and 65591 is 4301457780.

LCM(65580,65591) = 4301457780

LCM Calculator and
and

Least Common Multiple of 65580 and 65591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65580 and 65591, than apply into the LCM equation.

GCF(65580,65591) = 1
LCM(65580,65591) = ( 65580 × 65591) / 1
LCM(65580,65591) = 4301457780 / 1
LCM(65580,65591) = 4301457780

Least Common Multiple (LCM) of 65580 and 65591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65580 and 65591. First we will calculate the prime factors of 65580 and 65591.

Prime Factorization of 65580

Prime factors of 65580 are 2, 3, 5, 1093. Prime factorization of 65580 in exponential form is:

65580 = 22 × 31 × 51 × 10931

Prime Factorization of 65591

Prime factors of 65591 are 107, 613. Prime factorization of 65591 in exponential form is:

65591 = 1071 × 6131

Now multiplying the highest exponent prime factors to calculate the LCM of 65580 and 65591.

LCM(65580,65591) = 22 × 31 × 51 × 10931 × 1071 × 6131
LCM(65580,65591) = 4301457780