What is the Least Common Multiple of 31998 and 32018?

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 31998 and 32018 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31998 and 32018, than apply into the LCM equation.

GCF(31998,32018) = 2
LCM(31998,32018) = ( 31998 × 32018) / 2
LCM(31998,32018) = 1024511964 / 2
LCM(31998,32018) = 512255982

Least Common Multiple (LCM) of 31998 and 32018 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31998 and 32018. First we will calculate the prime factors of 31998 and 32018.

Prime Factorization of 31998

Prime Factorization of 32018

Now multiplying the highest exponent prime factors to calculate the LCM of 31998 and 32018.

LCM(31998,32018) = 2¹ × 3¹ × 5333¹ × 7¹ × 2287¹
LCM(31998,32018) = 512255982