GCF and LCM Calculator Logo

What is the Least Common Multiple of 42285 and 42297?

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 42285 and 42297 is 596176215.

LCM(42285,42297) = 596176215

LCM Calculator and
and

Least Common Multiple of 42285 and 42297 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42285 and 42297, than apply into the LCM equation.

GCF(42285,42297) = 3
LCM(42285,42297) = ( 42285 × 42297) / 3
LCM(42285,42297) = 1788528645 / 3
LCM(42285,42297) = 596176215

Least Common Multiple (LCM) of 42285 and 42297 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42285 and 42297. First we will calculate the prime factors of 42285 and 42297.

Prime Factorization of 42285

Prime factors of 42285 are 3, 5, 2819. Prime factorization of 42285 in exponential form is:

42285 = 31 × 51 × 28191

Prime Factorization of 42297

Prime factors of 42297 are 3, 23, 613. Prime factorization of 42297 in exponential form is:

42297 = 31 × 231 × 6131

Now multiplying the highest exponent prime factors to calculate the LCM of 42285 and 42297.

LCM(42285,42297) = 31 × 51 × 28191 × 231 × 6131
LCM(42285,42297) = 596176215