What is the Least Common Multiple of 86986 and 86993?

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 86986 and 86993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86986 and 86993, than apply into the LCM equation.

GCF(86986,86993) = 1
LCM(86986,86993) = ( 86986 × 86993) / 1
LCM(86986,86993) = 7567173098 / 1
LCM(86986,86993) = 7567173098

Least Common Multiple (LCM) of 86986 and 86993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86986 and 86993. First we will calculate the prime factors of 86986 and 86993.

Prime Factorization of 86986

Prime Factorization of 86993

Now multiplying the highest exponent prime factors to calculate the LCM of 86986 and 86993.

LCM(86986,86993) = 2¹ × 23¹ × 31¹ × 61¹ × 86993¹
LCM(86986,86993) = 7567173098