What is the Least Common Multiple of 43555 and 43561?

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 43561 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 43561, than apply into the LCM equation.

GCF(43555,43561) = 1
LCM(43555,43561) = ( 43555 × 43561) / 1
LCM(43555,43561) = 1897299355 / 1
LCM(43555,43561) = 1897299355

Least Common Multiple (LCM) of 43555 and 43561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43555 and 43561. First we will calculate the prime factors of 43555 and 43561.

Prime Factorization of 43555

Prime Factorization of 43561

Now multiplying the highest exponent prime factors to calculate the LCM of 43555 and 43561.

LCM(43555,43561) = 5¹ × 31¹ × 281¹ × 7³ × 127¹
LCM(43555,43561) = 1897299355