What is the Least Common Multiple of 43480 and 43484?

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 43480 and 43484 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43480 and 43484, than apply into the LCM equation.

GCF(43480,43484) = 4
LCM(43480,43484) = ( 43480 × 43484) / 4
LCM(43480,43484) = 1890684320 / 4
LCM(43480,43484) = 472671080

Least Common Multiple (LCM) of 43480 and 43484 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43480 and 43484. First we will calculate the prime factors of 43480 and 43484.

Prime Factorization of 43480

Prime Factorization of 43484

Now multiplying the highest exponent prime factors to calculate the LCM of 43480 and 43484.

LCM(43480,43484) = 2³ × 5¹ × 1087¹ × 7¹ × 1553¹
LCM(43480,43484) = 472671080