GCF and LCM Calculator Logo

What is the Least Common Multiple of 73981 and 73986?

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 73981 and 73986 is 5473558266.

LCM(73981,73986) = 5473558266

LCM Calculator and
and

Least Common Multiple of 73981 and 73986 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73981 and 73986, than apply into the LCM equation.

GCF(73981,73986) = 1
LCM(73981,73986) = ( 73981 × 73986) / 1
LCM(73981,73986) = 5473558266 / 1
LCM(73981,73986) = 5473558266

Least Common Multiple (LCM) of 73981 and 73986 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73981 and 73986. First we will calculate the prime factors of 73981 and 73986.

Prime Factorization of 73981

Prime factors of 73981 are 167, 443. Prime factorization of 73981 in exponential form is:

73981 = 1671 × 4431

Prime Factorization of 73986

Prime factors of 73986 are 2, 3, 11, 19, 59. Prime factorization of 73986 in exponential form is:

73986 = 21 × 31 × 111 × 191 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 73981 and 73986.

LCM(73981,73986) = 1671 × 4431 × 21 × 31 × 111 × 191 × 591
LCM(73981,73986) = 5473558266