GCF and LCM Calculator Logo

What is the Least Common Multiple of 13670 and 13685?

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 13670 and 13685 is 37414790.

LCM(13670,13685) = 37414790

LCM Calculator and
and

Least Common Multiple of 13670 and 13685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13670 and 13685, than apply into the LCM equation.

GCF(13670,13685) = 5
LCM(13670,13685) = ( 13670 × 13685) / 5
LCM(13670,13685) = 187073950 / 5
LCM(13670,13685) = 37414790

Least Common Multiple (LCM) of 13670 and 13685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13670 and 13685. First we will calculate the prime factors of 13670 and 13685.

Prime Factorization of 13670

Prime factors of 13670 are 2, 5, 1367. Prime factorization of 13670 in exponential form is:

13670 = 21 × 51 × 13671

Prime Factorization of 13685

Prime factors of 13685 are 5, 7, 17, 23. Prime factorization of 13685 in exponential form is:

13685 = 51 × 71 × 171 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 13670 and 13685.

LCM(13670,13685) = 21 × 51 × 13671 × 71 × 171 × 231
LCM(13670,13685) = 37414790