GCF and LCM Calculator Logo

What is the Least Common Multiple of 40785 and 40797?

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 40785 and 40797 is 554635215.

LCM(40785,40797) = 554635215

LCM Calculator and
and

Least Common Multiple of 40785 and 40797 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40785 and 40797, than apply into the LCM equation.

GCF(40785,40797) = 3
LCM(40785,40797) = ( 40785 × 40797) / 3
LCM(40785,40797) = 1663905645 / 3
LCM(40785,40797) = 554635215

Least Common Multiple (LCM) of 40785 and 40797 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40785 and 40797. First we will calculate the prime factors of 40785 and 40797.

Prime Factorization of 40785

Prime factors of 40785 are 3, 5, 2719. Prime factorization of 40785 in exponential form is:

40785 = 31 × 51 × 27191

Prime Factorization of 40797

Prime factors of 40797 are 3, 1511. Prime factorization of 40797 in exponential form is:

40797 = 33 × 15111

Now multiplying the highest exponent prime factors to calculate the LCM of 40785 and 40797.

LCM(40785,40797) = 33 × 51 × 27191 × 15111
LCM(40785,40797) = 554635215