GCF and LCM Calculator Logo

What is the Least Common Multiple of 43855 and 43860?

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 (LCM) of 43855 and 43860 is 384696060.

LCM(43855,43860) = 384696060

LCM Calculator and
and

Least Common Multiple of 43855 and 43860 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43855 and 43860, than apply into the LCM equation.

GCF(43855,43860) = 5
LCM(43855,43860) = ( 43855 × 43860) / 5
LCM(43855,43860) = 1923480300 / 5
LCM(43855,43860) = 384696060

Least Common Multiple (LCM) of 43855 and 43860 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43855 and 43860. First we will calculate the prime factors of 43855 and 43860.

Prime Factorization of 43855

Prime factors of 43855 are 5, 7, 179. Prime factorization of 43855 in exponential form is:

43855 = 51 × 72 × 1791

Prime Factorization of 43860

Prime factors of 43860 are 2, 3, 5, 17, 43. Prime factorization of 43860 in exponential form is:

43860 = 22 × 31 × 51 × 171 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 43855 and 43860.

LCM(43855,43860) = 51 × 72 × 1791 × 22 × 31 × 171 × 431
LCM(43855,43860) = 384696060