What is the Least Common Multiple of 79989 and 79998?

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 79989 and 79998 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79989 and 79998, than apply into the LCM equation.

GCF(79989,79998) = 3
LCM(79989,79998) = ( 79989 × 79998) / 3
LCM(79989,79998) = 6398960022 / 3
LCM(79989,79998) = 2132986674

Least Common Multiple (LCM) of 79989 and 79998 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79989 and 79998. First we will calculate the prime factors of 79989 and 79998.

Prime Factorization of 79989

Prime Factorization of 79998

Now multiplying the highest exponent prime factors to calculate the LCM of 79989 and 79998.

LCM(79989,79998) = 3¹ × 7¹ × 13¹ × 293¹ × 2¹ × 67¹ × 199¹
LCM(79989,79998) = 2132986674