GCF and LCM Calculator Logo

What is the Least Common Multiple of 530 and 538?

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 530 and 538 is 142570.

LCM(530,538) = 142570

LCM Calculator and
and

Least Common Multiple of 530 and 538 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 530 and 538, than apply into the LCM equation.

GCF(530,538) = 2
LCM(530,538) = ( 530 × 538) / 2
LCM(530,538) = 285140 / 2
LCM(530,538) = 142570

Least Common Multiple (LCM) of 530 and 538 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 530 and 538. First we will calculate the prime factors of 530 and 538.

Prime Factorization of 530

Prime factors of 530 are 2, 5, 53. Prime factorization of 530 in exponential form is:

530 = 21 × 51 × 531

Prime Factorization of 538

Prime factors of 538 are 2, 269. Prime factorization of 538 in exponential form is:

538 = 21 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 530 and 538.

LCM(530,538) = 21 × 51 × 531 × 2691
LCM(530,538) = 142570