What is the Least Common Multiple of 55720 and 55729?

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 55720 and 55729 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55720 and 55729, than apply into the LCM equation.

GCF(55720,55729) = 1
LCM(55720,55729) = ( 55720 × 55729) / 1
LCM(55720,55729) = 3105219880 / 1
LCM(55720,55729) = 3105219880

Least Common Multiple (LCM) of 55720 and 55729 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55720 and 55729. First we will calculate the prime factors of 55720 and 55729.

Prime Factorization of 55720

Prime Factorization of 55729

Now multiplying the highest exponent prime factors to calculate the LCM of 55720 and 55729.

LCM(55720,55729) = 2³ × 5¹ × 7¹ × 199¹ × 23¹ × 2423¹
LCM(55720,55729) = 3105219880