GCF and LCM Calculator Logo

What is the Least Common Multiple of 71922 and 71942?

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 71922 and 71942 is 2587106262.

LCM(71922,71942) = 2587106262

LCM Calculator and
and

Least Common Multiple of 71922 and 71942 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71922 and 71942, than apply into the LCM equation.

GCF(71922,71942) = 2
LCM(71922,71942) = ( 71922 × 71942) / 2
LCM(71922,71942) = 5174212524 / 2
LCM(71922,71942) = 2587106262

Least Common Multiple (LCM) of 71922 and 71942 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71922 and 71942. First we will calculate the prime factors of 71922 and 71942.

Prime Factorization of 71922

Prime factors of 71922 are 2, 3, 11987. Prime factorization of 71922 in exponential form is:

71922 = 21 × 31 × 119871

Prime Factorization of 71942

Prime factors of 71942 are 2, 13, 2767. Prime factorization of 71942 in exponential form is:

71942 = 21 × 131 × 27671

Now multiplying the highest exponent prime factors to calculate the LCM of 71922 and 71942.

LCM(71922,71942) = 21 × 31 × 119871 × 131 × 27671
LCM(71922,71942) = 2587106262