GCF and LCM Calculator Logo

What is the Least Common Multiple of 55623 and 55638?

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 55623 and 55638 is 1031584158.

LCM(55623,55638) = 1031584158

LCM Calculator and
and

Least Common Multiple of 55623 and 55638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55623 and 55638, than apply into the LCM equation.

GCF(55623,55638) = 3
LCM(55623,55638) = ( 55623 × 55638) / 3
LCM(55623,55638) = 3094752474 / 3
LCM(55623,55638) = 1031584158

Least Common Multiple (LCM) of 55623 and 55638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55623 and 55638. First we will calculate the prime factors of 55623 and 55638.

Prime Factorization of 55623

Prime factors of 55623 are 3, 18541. Prime factorization of 55623 in exponential form is:

55623 = 31 × 185411

Prime Factorization of 55638

Prime factors of 55638 are 2, 3, 11, 281. Prime factorization of 55638 in exponential form is:

55638 = 21 × 32 × 111 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 55623 and 55638.

LCM(55623,55638) = 32 × 185411 × 21 × 111 × 2811
LCM(55623,55638) = 1031584158