What is the Least Common Multiple of 57981 and 57989?

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 of 57981 and 57989 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57981 and 57989, than apply into the LCM equation.

GCF(57981,57989) = 1
LCM(57981,57989) = ( 57981 × 57989) / 1
LCM(57981,57989) = 3362260209 / 1
LCM(57981,57989) = 3362260209

Least Common Multiple (LCM) of 57981 and 57989 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57981 and 57989. First we will calculate the prime factors of 57981 and 57989.

Prime Factorization of 57981

Prime Factorization of 57989

Now multiplying the highest exponent prime factors to calculate the LCM of 57981 and 57989.

LCM(57981,57989) = 3¹ × 7¹ × 11¹ × 251¹ × 103¹ × 563¹
LCM(57981,57989) = 3362260209