GCF and LCM Calculator Logo

What is the Least Common Multiple of 42794 and 42813?

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 42794 and 42813 is 1832139522.

LCM(42794,42813) = 1832139522

LCM Calculator and
and

Least Common Multiple of 42794 and 42813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42794 and 42813, than apply into the LCM equation.

GCF(42794,42813) = 1
LCM(42794,42813) = ( 42794 × 42813) / 1
LCM(42794,42813) = 1832139522 / 1
LCM(42794,42813) = 1832139522

Least Common Multiple (LCM) of 42794 and 42813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42794 and 42813. First we will calculate the prime factors of 42794 and 42813.

Prime Factorization of 42794

Prime factors of 42794 are 2, 21397. Prime factorization of 42794 in exponential form is:

42794 = 21 × 213971

Prime Factorization of 42813

Prime factors of 42813 are 3, 67, 71. Prime factorization of 42813 in exponential form is:

42813 = 32 × 671 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 42794 and 42813.

LCM(42794,42813) = 21 × 213971 × 32 × 671 × 711
LCM(42794,42813) = 1832139522