What is the Least Common Multiple of 43749 and 43761?

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 43749 and 43761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43749 and 43761, than apply into the LCM equation.

GCF(43749,43761) = 3
LCM(43749,43761) = ( 43749 × 43761) / 3
LCM(43749,43761) = 1914499989 / 3
LCM(43749,43761) = 638166663

Least Common Multiple (LCM) of 43749 and 43761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43749 and 43761. First we will calculate the prime factors of 43749 and 43761.

Prime Factorization of 43749

Prime Factorization of 43761

Now multiplying the highest exponent prime factors to calculate the LCM of 43749 and 43761.

LCM(43749,43761) = 3² × 4861¹ × 29¹ × 503¹
LCM(43749,43761) = 638166663