GCF and LCM Calculator Logo

What is the Least Common Multiple of 42137 and 42154?

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 42137 and 42154 is 1776243098.

LCM(42137,42154) = 1776243098

LCM Calculator and
and

Least Common Multiple of 42137 and 42154 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42137 and 42154, than apply into the LCM equation.

GCF(42137,42154) = 1
LCM(42137,42154) = ( 42137 × 42154) / 1
LCM(42137,42154) = 1776243098 / 1
LCM(42137,42154) = 1776243098

Least Common Multiple (LCM) of 42137 and 42154 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42137 and 42154. First we will calculate the prime factors of 42137 and 42154.

Prime Factorization of 42137

Prime factors of 42137 are 29, 1453. Prime factorization of 42137 in exponential form is:

42137 = 291 × 14531

Prime Factorization of 42154

Prime factors of 42154 are 2, 7, 3011. Prime factorization of 42154 in exponential form is:

42154 = 21 × 71 × 30111

Now multiplying the highest exponent prime factors to calculate the LCM of 42137 and 42154.

LCM(42137,42154) = 291 × 14531 × 21 × 71 × 30111
LCM(42137,42154) = 1776243098