GCF and LCM Calculator Logo

What is the Least Common Multiple of 40644 and 40663?

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 40644 and 40663 is 1652706972.

LCM(40644,40663) = 1652706972

LCM Calculator and
and

Least Common Multiple of 40644 and 40663 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40644 and 40663, than apply into the LCM equation.

GCF(40644,40663) = 1
LCM(40644,40663) = ( 40644 × 40663) / 1
LCM(40644,40663) = 1652706972 / 1
LCM(40644,40663) = 1652706972

Least Common Multiple (LCM) of 40644 and 40663 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40644 and 40663. First we will calculate the prime factors of 40644 and 40663.

Prime Factorization of 40644

Prime factors of 40644 are 2, 3, 1129. Prime factorization of 40644 in exponential form is:

40644 = 22 × 32 × 11291

Prime Factorization of 40663

Prime factors of 40663 are 7, 37, 157. Prime factorization of 40663 in exponential form is:

40663 = 71 × 371 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 40644 and 40663.

LCM(40644,40663) = 22 × 32 × 11291 × 71 × 371 × 1571
LCM(40644,40663) = 1652706972