GCF and LCM Calculator Logo

What is the Least Common Multiple of 63631 and 63643?

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 63631 and 63643 is 4049667733.

LCM(63631,63643) = 4049667733

LCM Calculator and
and

Least Common Multiple of 63631 and 63643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63631 and 63643, than apply into the LCM equation.

GCF(63631,63643) = 1
LCM(63631,63643) = ( 63631 × 63643) / 1
LCM(63631,63643) = 4049667733 / 1
LCM(63631,63643) = 4049667733

Least Common Multiple (LCM) of 63631 and 63643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63631 and 63643. First we will calculate the prime factors of 63631 and 63643.

Prime Factorization of 63631

Prime factors of 63631 are 17, 19, 197. Prime factorization of 63631 in exponential form is:

63631 = 171 × 191 × 1971

Prime Factorization of 63643

Prime factors of 63643 are 31, 2053. Prime factorization of 63643 in exponential form is:

63643 = 311 × 20531

Now multiplying the highest exponent prime factors to calculate the LCM of 63631 and 63643.

LCM(63631,63643) = 171 × 191 × 1971 × 311 × 20531
LCM(63631,63643) = 4049667733