GCF and LCM Calculator Logo

What is the Least Common Multiple of 55981 and 56001?

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 55981 and 56001 is 3134991981.

LCM(55981,56001) = 3134991981

LCM Calculator and
and

Least Common Multiple of 55981 and 56001 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55981 and 56001, than apply into the LCM equation.

GCF(55981,56001) = 1
LCM(55981,56001) = ( 55981 × 56001) / 1
LCM(55981,56001) = 3134991981 / 1
LCM(55981,56001) = 3134991981

Least Common Multiple (LCM) of 55981 and 56001 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55981 and 56001. First we will calculate the prime factors of 55981 and 56001.

Prime Factorization of 55981

Prime factors of 55981 are 17, 37, 89. Prime factorization of 55981 in exponential form is:

55981 = 171 × 371 × 891

Prime Factorization of 56001

Prime factors of 56001 are 3, 11, 1697. Prime factorization of 56001 in exponential form is:

56001 = 31 × 111 × 16971

Now multiplying the highest exponent prime factors to calculate the LCM of 55981 and 56001.

LCM(55981,56001) = 171 × 371 × 891 × 31 × 111 × 16971
LCM(55981,56001) = 3134991981