What is the Least Common Multiple of 84072 and 84080?

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 84072 and 84080 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84072 and 84080, than apply into the LCM equation.

GCF(84072,84080) = 8
LCM(84072,84080) = ( 84072 × 84080) / 8
LCM(84072,84080) = 7068773760 / 8
LCM(84072,84080) = 883596720

Least Common Multiple (LCM) of 84072 and 84080 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84072 and 84080. First we will calculate the prime factors of 84072 and 84080.

Prime Factorization of 84072

Prime Factorization of 84080

Now multiplying the highest exponent prime factors to calculate the LCM of 84072 and 84080.

LCM(84072,84080) = 2⁴ × 3¹ × 31¹ × 113¹ × 5¹ × 1051¹
LCM(84072,84080) = 883596720