GCF and LCM Calculator Logo

What is the Least Common Multiple of 39917 and 39928?

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 39917 and 39928 is 1593805976.

LCM(39917,39928) = 1593805976

LCM Calculator and
and

Least Common Multiple of 39917 and 39928 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39917 and 39928, than apply into the LCM equation.

GCF(39917,39928) = 1
LCM(39917,39928) = ( 39917 × 39928) / 1
LCM(39917,39928) = 1593805976 / 1
LCM(39917,39928) = 1593805976

Least Common Multiple (LCM) of 39917 and 39928 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39917 and 39928. First we will calculate the prime factors of 39917 and 39928.

Prime Factorization of 39917

Prime factors of 39917 are 179, 223. Prime factorization of 39917 in exponential form is:

39917 = 1791 × 2231

Prime Factorization of 39928

Prime factors of 39928 are 2, 7, 23, 31. Prime factorization of 39928 in exponential form is:

39928 = 23 × 71 × 231 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 39917 and 39928.

LCM(39917,39928) = 1791 × 2231 × 23 × 71 × 231 × 311
LCM(39917,39928) = 1593805976