GCF and LCM Calculator Logo

What is the Least Common Multiple of 43641 and 43656?

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 43641 and 43656 is 635063832.

LCM(43641,43656) = 635063832

LCM Calculator and
and

Least Common Multiple of 43641 and 43656 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43641 and 43656, than apply into the LCM equation.

GCF(43641,43656) = 3
LCM(43641,43656) = ( 43641 × 43656) / 3
LCM(43641,43656) = 1905191496 / 3
LCM(43641,43656) = 635063832

Least Common Multiple (LCM) of 43641 and 43656 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43641 and 43656. First we will calculate the prime factors of 43641 and 43656.

Prime Factorization of 43641

Prime factors of 43641 are 3, 13, 373. Prime factorization of 43641 in exponential form is:

43641 = 32 × 131 × 3731

Prime Factorization of 43656

Prime factors of 43656 are 2, 3, 17, 107. Prime factorization of 43656 in exponential form is:

43656 = 23 × 31 × 171 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 43641 and 43656.

LCM(43641,43656) = 32 × 131 × 3731 × 23 × 171 × 1071
LCM(43641,43656) = 635063832