GCF and LCM Calculator Logo

What is the Least Common Multiple of 43821 and 43831?

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 43821 and 43831 is 1920718251.

LCM(43821,43831) = 1920718251

LCM Calculator and
and

Least Common Multiple of 43821 and 43831 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43821 and 43831, than apply into the LCM equation.

GCF(43821,43831) = 1
LCM(43821,43831) = ( 43821 × 43831) / 1
LCM(43821,43831) = 1920718251 / 1
LCM(43821,43831) = 1920718251

Least Common Multiple (LCM) of 43821 and 43831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43821 and 43831. First we will calculate the prime factors of 43821 and 43831.

Prime Factorization of 43821

Prime factors of 43821 are 3, 541. Prime factorization of 43821 in exponential form is:

43821 = 34 × 5411

Prime Factorization of 43831

Prime factors of 43831 are 53, 827. Prime factorization of 43831 in exponential form is:

43831 = 531 × 8271

Now multiplying the highest exponent prime factors to calculate the LCM of 43821 and 43831.

LCM(43821,43831) = 34 × 5411 × 531 × 8271
LCM(43821,43831) = 1920718251