GCF and LCM Calculator Logo

What is the Least Common Multiple of 34620 and 34638?

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 34620 and 34638 is 199861260.

LCM(34620,34638) = 199861260

LCM Calculator and
and

Least Common Multiple of 34620 and 34638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 34620 and 34638, than apply into the LCM equation.

GCF(34620,34638) = 6
LCM(34620,34638) = ( 34620 × 34638) / 6
LCM(34620,34638) = 1199167560 / 6
LCM(34620,34638) = 199861260

Least Common Multiple (LCM) of 34620 and 34638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 34620 and 34638. First we will calculate the prime factors of 34620 and 34638.

Prime Factorization of 34620

Prime factors of 34620 are 2, 3, 5, 577. Prime factorization of 34620 in exponential form is:

34620 = 22 × 31 × 51 × 5771

Prime Factorization of 34638

Prime factors of 34638 are 2, 3, 23, 251. Prime factorization of 34638 in exponential form is:

34638 = 21 × 31 × 231 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 34620 and 34638.

LCM(34620,34638) = 22 × 31 × 51 × 5771 × 231 × 2511
LCM(34620,34638) = 199861260