GCF and LCM Calculator Logo

What is the Least Common Multiple of 42590 and 42607?

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 42590 and 42607 is 1814632130.

LCM(42590,42607) = 1814632130

LCM Calculator and
and

Least Common Multiple of 42590 and 42607 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42590 and 42607, than apply into the LCM equation.

GCF(42590,42607) = 1
LCM(42590,42607) = ( 42590 × 42607) / 1
LCM(42590,42607) = 1814632130 / 1
LCM(42590,42607) = 1814632130

Least Common Multiple (LCM) of 42590 and 42607 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42590 and 42607. First we will calculate the prime factors of 42590 and 42607.

Prime Factorization of 42590

Prime factors of 42590 are 2, 5, 4259. Prime factorization of 42590 in exponential form is:

42590 = 21 × 51 × 42591

Prime Factorization of 42607

Prime factors of 42607 are 137, 311. Prime factorization of 42607 in exponential form is:

42607 = 1371 × 3111

Now multiplying the highest exponent prime factors to calculate the LCM of 42590 and 42607.

LCM(42590,42607) = 21 × 51 × 42591 × 1371 × 3111
LCM(42590,42607) = 1814632130