What is the Least Common Multiple of 43605 and 43616?

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 43605 and 43616 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43605 and 43616, than apply into the LCM equation.

GCF(43605,43616) = 1
LCM(43605,43616) = ( 43605 × 43616) / 1
LCM(43605,43616) = 1901875680 / 1
LCM(43605,43616) = 1901875680

Least Common Multiple (LCM) of 43605 and 43616 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43605 and 43616. First we will calculate the prime factors of 43605 and 43616.

Prime Factorization of 43605

Prime Factorization of 43616

Now multiplying the highest exponent prime factors to calculate the LCM of 43605 and 43616.

LCM(43605,43616) = 3³ × 5¹ × 17¹ × 19¹ × 2⁵ × 29¹ × 47¹
LCM(43605,43616) = 1901875680