What is the Least Common Multiple of 56540 and 56555?

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 of 56540 and 56555 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56540 and 56555, than apply into the LCM equation.

GCF(56540,56555) = 5
LCM(56540,56555) = ( 56540 × 56555) / 5
LCM(56540,56555) = 3197619700 / 5
LCM(56540,56555) = 639523940

Least Common Multiple (LCM) of 56540 and 56555 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56540 and 56555. First we will calculate the prime factors of 56540 and 56555.

Prime Factorization of 56540

Prime Factorization of 56555

Now multiplying the highest exponent prime factors to calculate the LCM of 56540 and 56555.

LCM(56540,56555) = 2² × 5¹ × 11¹ × 257¹ × 11311¹
LCM(56540,56555) = 639523940