GCF and LCM Calculator Logo

What is the Least Common Multiple of 75506 and 75520?

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 75506 and 75520 is 2851106560.

LCM(75506,75520) = 2851106560

LCM Calculator and
and

Least Common Multiple of 75506 and 75520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75506 and 75520, than apply into the LCM equation.

GCF(75506,75520) = 2
LCM(75506,75520) = ( 75506 × 75520) / 2
LCM(75506,75520) = 5702213120 / 2
LCM(75506,75520) = 2851106560

Least Common Multiple (LCM) of 75506 and 75520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75506 and 75520. First we will calculate the prime factors of 75506 and 75520.

Prime Factorization of 75506

Prime factors of 75506 are 2, 19, 1987. Prime factorization of 75506 in exponential form is:

75506 = 21 × 191 × 19871

Prime Factorization of 75520

Prime factors of 75520 are 2, 5, 59. Prime factorization of 75520 in exponential form is:

75520 = 28 × 51 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 75506 and 75520.

LCM(75506,75520) = 28 × 191 × 19871 × 51 × 591
LCM(75506,75520) = 2851106560