What is the Least Common Multiple of 55690 and 55705?

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 55690 and 55705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55690 and 55705, than apply into the LCM equation.

GCF(55690,55705) = 5
LCM(55690,55705) = ( 55690 × 55705) / 5
LCM(55690,55705) = 3102211450 / 5
LCM(55690,55705) = 620442290

Least Common Multiple (LCM) of 55690 and 55705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55690 and 55705. First we will calculate the prime factors of 55690 and 55705.

Prime Factorization of 55690

Prime Factorization of 55705

Now multiplying the highest exponent prime factors to calculate the LCM of 55690 and 55705.

LCM(55690,55705) = 2¹ × 5¹ × 5569¹ × 13¹ × 857¹
LCM(55690,55705) = 620442290