GCF and LCM Calculator Logo

What is the Least Common Multiple of 45318 and 45331?

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 45318 and 45331 is 158023866.

LCM(45318,45331) = 158023866

LCM Calculator and
and

Least Common Multiple of 45318 and 45331 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45318 and 45331, than apply into the LCM equation.

GCF(45318,45331) = 13
LCM(45318,45331) = ( 45318 × 45331) / 13
LCM(45318,45331) = 2054310258 / 13
LCM(45318,45331) = 158023866

Least Common Multiple (LCM) of 45318 and 45331 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45318 and 45331. First we will calculate the prime factors of 45318 and 45331.

Prime Factorization of 45318

Prime factors of 45318 are 2, 3, 7, 13, 83. Prime factorization of 45318 in exponential form is:

45318 = 21 × 31 × 71 × 131 × 831

Prime Factorization of 45331

Prime factors of 45331 are 11, 13, 317. Prime factorization of 45331 in exponential form is:

45331 = 111 × 131 × 3171

Now multiplying the highest exponent prime factors to calculate the LCM of 45318 and 45331.

LCM(45318,45331) = 21 × 31 × 71 × 131 × 831 × 111 × 3171
LCM(45318,45331) = 158023866