What is the Least Common Multiple of 85991 and 85999?

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 85991 and 85999 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85991 and 85999, than apply into the LCM equation.

GCF(85991,85999) = 1
LCM(85991,85999) = ( 85991 × 85999) / 1
LCM(85991,85999) = 7395140009 / 1
LCM(85991,85999) = 7395140009

Least Common Multiple (LCM) of 85991 and 85999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85991 and 85999. First we will calculate the prime factors of 85991 and 85999.

Prime Factorization of 85991

Prime Factorization of 85999

Now multiplying the highest exponent prime factors to calculate the LCM of 85991 and 85999.

LCM(85991,85999) = 85991¹ × 85999¹
LCM(85991,85999) = 7395140009