What is the Least Common Multiple of 84745 and 84765?

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 84745 and 84765 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84745 and 84765, than apply into the LCM equation.

GCF(84745,84765) = 5
LCM(84745,84765) = ( 84745 × 84765) / 5
LCM(84745,84765) = 7183409925 / 5
LCM(84745,84765) = 1436681985

Least Common Multiple (LCM) of 84745 and 84765 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84745 and 84765. First we will calculate the prime factors of 84745 and 84765.

Prime Factorization of 84745

Prime Factorization of 84765

Now multiplying the highest exponent prime factors to calculate the LCM of 84745 and 84765.

LCM(84745,84765) = 5¹ × 17¹ × 997¹ × 3¹ × 5651¹
LCM(84745,84765) = 1436681985