GCF and LCM Calculator Logo

What is the Least Common Multiple of 13621 and 13634?

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 13621 and 13634 is 185708714.

LCM(13621,13634) = 185708714

LCM Calculator and
and

Least Common Multiple of 13621 and 13634 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13621 and 13634, than apply into the LCM equation.

GCF(13621,13634) = 1
LCM(13621,13634) = ( 13621 × 13634) / 1
LCM(13621,13634) = 185708714 / 1
LCM(13621,13634) = 185708714

Least Common Multiple (LCM) of 13621 and 13634 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13621 and 13634. First we will calculate the prime factors of 13621 and 13634.

Prime Factorization of 13621

Prime factors of 13621 are 53, 257. Prime factorization of 13621 in exponential form is:

13621 = 531 × 2571

Prime Factorization of 13634

Prime factors of 13634 are 2, 17, 401. Prime factorization of 13634 in exponential form is:

13634 = 21 × 171 × 4011

Now multiplying the highest exponent prime factors to calculate the LCM of 13621 and 13634.

LCM(13621,13634) = 531 × 2571 × 21 × 171 × 4011
LCM(13621,13634) = 185708714