What is the Least Common Multiple of 55670 and 55678?

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 55670 and 55678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55670 and 55678, than apply into the LCM equation.

GCF(55670,55678) = 2
LCM(55670,55678) = ( 55670 × 55678) / 2
LCM(55670,55678) = 3099594260 / 2
LCM(55670,55678) = 1549797130

Least Common Multiple (LCM) of 55670 and 55678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55670 and 55678. First we will calculate the prime factors of 55670 and 55678.

Prime Factorization of 55670

Prime Factorization of 55678

Now multiplying the highest exponent prime factors to calculate the LCM of 55670 and 55678.

LCM(55670,55678) = 2¹ × 5¹ × 19¹ × 293¹ × 7¹ × 41¹ × 97¹
LCM(55670,55678) = 1549797130