What is the Least Common Multiple of 83478 and 83491?

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 83478 and 83491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83478 and 83491, than apply into the LCM equation.

GCF(83478,83491) = 1
LCM(83478,83491) = ( 83478 × 83491) / 1
LCM(83478,83491) = 6969661698 / 1
LCM(83478,83491) = 6969661698

Least Common Multiple (LCM) of 83478 and 83491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83478 and 83491. First we will calculate the prime factors of 83478 and 83491.

Prime Factorization of 83478

Prime Factorization of 83491

Now multiplying the highest exponent prime factors to calculate the LCM of 83478 and 83491.

LCM(83478,83491) = 2¹ × 3¹ × 13913¹ × 29¹ × 2879¹
LCM(83478,83491) = 6969661698