GCF and LCM Calculator Logo

What is the Least Common Multiple of 15522 and 15531?

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 15522 and 15531 is 80357394.

LCM(15522,15531) = 80357394

LCM Calculator and
and

Least Common Multiple of 15522 and 15531 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15522 and 15531, than apply into the LCM equation.

GCF(15522,15531) = 3
LCM(15522,15531) = ( 15522 × 15531) / 3
LCM(15522,15531) = 241072182 / 3
LCM(15522,15531) = 80357394

Least Common Multiple (LCM) of 15522 and 15531 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15522 and 15531. First we will calculate the prime factors of 15522 and 15531.

Prime Factorization of 15522

Prime factors of 15522 are 2, 3, 13, 199. Prime factorization of 15522 in exponential form is:

15522 = 21 × 31 × 131 × 1991

Prime Factorization of 15531

Prime factors of 15531 are 3, 31, 167. Prime factorization of 15531 in exponential form is:

15531 = 31 × 311 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 15522 and 15531.

LCM(15522,15531) = 21 × 31 × 131 × 1991 × 311 × 1671
LCM(15522,15531) = 80357394