GCF and LCM Calculator Logo

What is the Least Common Multiple of 19617 and 19628?

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 19617 and 19628 is 385042476.

LCM(19617,19628) = 385042476

LCM Calculator and
and

Least Common Multiple of 19617 and 19628 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19617 and 19628, than apply into the LCM equation.

GCF(19617,19628) = 1
LCM(19617,19628) = ( 19617 × 19628) / 1
LCM(19617,19628) = 385042476 / 1
LCM(19617,19628) = 385042476

Least Common Multiple (LCM) of 19617 and 19628 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19617 and 19628. First we will calculate the prime factors of 19617 and 19628.

Prime Factorization of 19617

Prime factors of 19617 are 3, 13, 503. Prime factorization of 19617 in exponential form is:

19617 = 31 × 131 × 5031

Prime Factorization of 19628

Prime factors of 19628 are 2, 7, 701. Prime factorization of 19628 in exponential form is:

19628 = 22 × 71 × 7011

Now multiplying the highest exponent prime factors to calculate the LCM of 19617 and 19628.

LCM(19617,19628) = 31 × 131 × 5031 × 22 × 71 × 7011
LCM(19617,19628) = 385042476