GCF and LCM Calculator Logo

What is the Least Common Multiple of 42906 and 42913?

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 42906 and 42913 is 1841225178.

LCM(42906,42913) = 1841225178

LCM Calculator and
and

Least Common Multiple of 42906 and 42913 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42906 and 42913, than apply into the LCM equation.

GCF(42906,42913) = 1
LCM(42906,42913) = ( 42906 × 42913) / 1
LCM(42906,42913) = 1841225178 / 1
LCM(42906,42913) = 1841225178

Least Common Multiple (LCM) of 42906 and 42913 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42906 and 42913. First we will calculate the prime factors of 42906 and 42913.

Prime Factorization of 42906

Prime factors of 42906 are 2, 3, 7151. Prime factorization of 42906 in exponential form is:

42906 = 21 × 31 × 71511

Prime Factorization of 42913

Prime factors of 42913 are 13, 3301. Prime factorization of 42913 in exponential form is:

42913 = 131 × 33011

Now multiplying the highest exponent prime factors to calculate the LCM of 42906 and 42913.

LCM(42906,42913) = 21 × 31 × 71511 × 131 × 33011
LCM(42906,42913) = 1841225178