What is the Least Common Multiple of 74971 and 74985?

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 74971 and 74985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74971 and 74985, than apply into the LCM equation.

GCF(74971,74985) = 1
LCM(74971,74985) = ( 74971 × 74985) / 1
LCM(74971,74985) = 5621700435 / 1
LCM(74971,74985) = 5621700435

Least Common Multiple (LCM) of 74971 and 74985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74971 and 74985. First we will calculate the prime factors of 74971 and 74985.

Prime Factorization of 74971

Prime Factorization of 74985

Now multiplying the highest exponent prime factors to calculate the LCM of 74971 and 74985.

LCM(74971,74985) = 13¹ × 73¹ × 79¹ × 3¹ × 5¹ × 4999¹
LCM(74971,74985) = 5621700435