What is the Least Common Multiple of 84457 and 84470?

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 84457 and 84470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84457 and 84470, than apply into the LCM equation.

GCF(84457,84470) = 1
LCM(84457,84470) = ( 84457 × 84470) / 1
LCM(84457,84470) = 7134082790 / 1
LCM(84457,84470) = 7134082790

Least Common Multiple (LCM) of 84457 and 84470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84457 and 84470. First we will calculate the prime factors of 84457 and 84470.

Prime Factorization of 84457

Prime Factorization of 84470

Now multiplying the highest exponent prime factors to calculate the LCM of 84457 and 84470.

LCM(84457,84470) = 84457¹ × 2¹ × 5¹ × 8447¹
LCM(84457,84470) = 7134082790