What is the Least Common Multiple of 83986 and 83993?

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 83986 and 83993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83986 and 83993, than apply into the LCM equation.

GCF(83986,83993) = 7
LCM(83986,83993) = ( 83986 × 83993) / 7
LCM(83986,83993) = 7054236098 / 7
LCM(83986,83993) = 1007748014

Least Common Multiple (LCM) of 83986 and 83993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83986 and 83993. First we will calculate the prime factors of 83986 and 83993.

Prime Factorization of 83986

Prime Factorization of 83993

Now multiplying the highest exponent prime factors to calculate the LCM of 83986 and 83993.

LCM(83986,83993) = 2¹ × 7² × 857¹ × 13² × 71¹
LCM(83986,83993) = 1007748014