GCF and LCM Calculator Logo

What is the Least Common Multiple of 83821 and 83831?

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 83821 and 83831 is 7026798251.

LCM(83821,83831) = 7026798251

LCM Calculator and
and

Least Common Multiple of 83821 and 83831 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83821 and 83831, than apply into the LCM equation.

GCF(83821,83831) = 1
LCM(83821,83831) = ( 83821 × 83831) / 1
LCM(83821,83831) = 7026798251 / 1
LCM(83821,83831) = 7026798251

Least Common Multiple (LCM) of 83821 and 83831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83821 and 83831. First we will calculate the prime factors of 83821 and 83831.

Prime Factorization of 83821

Prime factors of 83821 are 109, 769. Prime factorization of 83821 in exponential form is:

83821 = 1091 × 7691

Prime Factorization of 83831

Prime factors of 83831 are 11, 7621. Prime factorization of 83831 in exponential form is:

83831 = 111 × 76211

Now multiplying the highest exponent prime factors to calculate the LCM of 83821 and 83831.

LCM(83821,83831) = 1091 × 7691 × 111 × 76211
LCM(83821,83831) = 7026798251