What is the Least Common Multiple of 43555 and 43570?

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 43555 and 43570 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43555 and 43570, than apply into the LCM equation.

GCF(43555,43570) = 5
LCM(43555,43570) = ( 43555 × 43570) / 5
LCM(43555,43570) = 1897691350 / 5
LCM(43555,43570) = 379538270

Least Common Multiple (LCM) of 43555 and 43570 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43555 and 43570. First we will calculate the prime factors of 43555 and 43570.

Prime Factorization of 43555

Prime Factorization of 43570

Now multiplying the highest exponent prime factors to calculate the LCM of 43555 and 43570.

LCM(43555,43570) = 5¹ × 31¹ × 281¹ × 2¹ × 4357¹
LCM(43555,43570) = 379538270