GCF and LCM Calculator Logo

What is the Least Common Multiple of 43874 and 43890?

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 43874 and 43890 is 962814930.

LCM(43874,43890) = 962814930

LCM Calculator and
and

Least Common Multiple of 43874 and 43890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43874 and 43890, than apply into the LCM equation.

GCF(43874,43890) = 2
LCM(43874,43890) = ( 43874 × 43890) / 2
LCM(43874,43890) = 1925629860 / 2
LCM(43874,43890) = 962814930

Least Common Multiple (LCM) of 43874 and 43890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43874 and 43890. First we will calculate the prime factors of 43874 and 43890.

Prime Factorization of 43874

Prime factors of 43874 are 2, 21937. Prime factorization of 43874 in exponential form is:

43874 = 21 × 219371

Prime Factorization of 43890

Prime factors of 43890 are 2, 3, 5, 7, 11, 19. Prime factorization of 43890 in exponential form is:

43890 = 21 × 31 × 51 × 71 × 111 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 43874 and 43890.

LCM(43874,43890) = 21 × 219371 × 31 × 51 × 71 × 111 × 191
LCM(43874,43890) = 962814930