What is the Least Common Multiple of 37981 and 37991?

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 37981 and 37991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 37981 and 37991, than apply into the LCM equation.

GCF(37981,37991) = 1
LCM(37981,37991) = ( 37981 × 37991) / 1
LCM(37981,37991) = 1442936171 / 1
LCM(37981,37991) = 1442936171

Least Common Multiple (LCM) of 37981 and 37991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 37981 and 37991. First we will calculate the prime factors of 37981 and 37991.

Prime Factorization of 37981

Prime Factorization of 37991

Now multiplying the highest exponent prime factors to calculate the LCM of 37981 and 37991.

LCM(37981,37991) = 19¹ × 1999¹ × 37991¹
LCM(37981,37991) = 1442936171