GCF and LCM Calculator Logo

What is the Least Common Multiple of 16630 and 16638?

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 16630 and 16638 is 138344970.

LCM(16630,16638) = 138344970

LCM Calculator and
and

Least Common Multiple of 16630 and 16638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16630 and 16638, than apply into the LCM equation.

GCF(16630,16638) = 2
LCM(16630,16638) = ( 16630 × 16638) / 2
LCM(16630,16638) = 276689940 / 2
LCM(16630,16638) = 138344970

Least Common Multiple (LCM) of 16630 and 16638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16630 and 16638. First we will calculate the prime factors of 16630 and 16638.

Prime Factorization of 16630

Prime factors of 16630 are 2, 5, 1663. Prime factorization of 16630 in exponential form is:

16630 = 21 × 51 × 16631

Prime Factorization of 16638

Prime factors of 16638 are 2, 3, 47, 59. Prime factorization of 16638 in exponential form is:

16638 = 21 × 31 × 471 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 16630 and 16638.

LCM(16630,16638) = 21 × 51 × 16631 × 31 × 471 × 591
LCM(16630,16638) = 138344970