GCF and LCM Calculator Logo

What is the Least Common Multiple of 43807 and 43815?

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 43807 and 43815 is 1919403705.

LCM(43807,43815) = 1919403705

LCM Calculator and
and

Least Common Multiple of 43807 and 43815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43807 and 43815, than apply into the LCM equation.

GCF(43807,43815) = 1
LCM(43807,43815) = ( 43807 × 43815) / 1
LCM(43807,43815) = 1919403705 / 1
LCM(43807,43815) = 1919403705

Least Common Multiple (LCM) of 43807 and 43815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43807 and 43815. First we will calculate the prime factors of 43807 and 43815.

Prime Factorization of 43807

Prime factors of 43807 are 71, 617. Prime factorization of 43807 in exponential form is:

43807 = 711 × 6171

Prime Factorization of 43815

Prime factors of 43815 are 3, 5, 23, 127. Prime factorization of 43815 in exponential form is:

43815 = 31 × 51 × 231 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 43807 and 43815.

LCM(43807,43815) = 711 × 6171 × 31 × 51 × 231 × 1271
LCM(43807,43815) = 1919403705