What is the Least Common Multiple of 43561 and 43578?

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 43561 and 43578 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43561 and 43578, than apply into the LCM equation.

GCF(43561,43578) = 1
LCM(43561,43578) = ( 43561 × 43578) / 1
LCM(43561,43578) = 1898301258 / 1
LCM(43561,43578) = 1898301258

Least Common Multiple (LCM) of 43561 and 43578 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43561 and 43578. First we will calculate the prime factors of 43561 and 43578.

Prime Factorization of 43561

Prime Factorization of 43578

Now multiplying the highest exponent prime factors to calculate the LCM of 43561 and 43578.

LCM(43561,43578) = 7³ × 127¹ × 2¹ × 3⁴ × 269¹
LCM(43561,43578) = 1898301258