GCF and LCM Calculator Logo

What is the Least Common Multiple of 540 and 557?

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 540 and 557 is 300780.

LCM(540,557) = 300780

LCM Calculator and
and

Least Common Multiple of 540 and 557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 540 and 557, than apply into the LCM equation.

GCF(540,557) = 1
LCM(540,557) = ( 540 × 557) / 1
LCM(540,557) = 300780 / 1
LCM(540,557) = 300780

Least Common Multiple (LCM) of 540 and 557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 540 and 557. First we will calculate the prime factors of 540 and 557.

Prime Factorization of 540

Prime factors of 540 are 2, 3, 5. Prime factorization of 540 in exponential form is:

540 = 22 × 33 × 51

Prime Factorization of 557

Prime factors of 557 are 557. Prime factorization of 557 in exponential form is:

557 = 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 540 and 557.

LCM(540,557) = 22 × 33 × 51 × 5571
LCM(540,557) = 300780