GCF and LCM Calculator Logo

What is the Least Common Multiple of 72563 and 72580?

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 72563 and 72580 is 5266622540.

LCM(72563,72580) = 5266622540

LCM Calculator and
and

Least Common Multiple of 72563 and 72580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72563 and 72580, than apply into the LCM equation.

GCF(72563,72580) = 1
LCM(72563,72580) = ( 72563 × 72580) / 1
LCM(72563,72580) = 5266622540 / 1
LCM(72563,72580) = 5266622540

Least Common Multiple (LCM) of 72563 and 72580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72563 and 72580. First we will calculate the prime factors of 72563 and 72580.

Prime Factorization of 72563

Prime factors of 72563 are 149, 487. Prime factorization of 72563 in exponential form is:

72563 = 1491 × 4871

Prime Factorization of 72580

Prime factors of 72580 are 2, 5, 19, 191. Prime factorization of 72580 in exponential form is:

72580 = 22 × 51 × 191 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 72563 and 72580.

LCM(72563,72580) = 1491 × 4871 × 22 × 51 × 191 × 1911
LCM(72563,72580) = 5266622540