What is the Least Common Multiple of 85990 and 85997?

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 85990 and 85997 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85990 and 85997, than apply into the LCM equation.

GCF(85990,85997) = 1
LCM(85990,85997) = ( 85990 × 85997) / 1
LCM(85990,85997) = 7394882030 / 1
LCM(85990,85997) = 7394882030

Least Common Multiple (LCM) of 85990 and 85997 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85990 and 85997. First we will calculate the prime factors of 85990 and 85997.

Prime Factorization of 85990

Prime Factorization of 85997

Now multiplying the highest exponent prime factors to calculate the LCM of 85990 and 85997.

LCM(85990,85997) = 2¹ × 5¹ × 8599¹ × 23¹ × 3739¹
LCM(85990,85997) = 7394882030