What is the Least Common Multiple of 83820 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 of 83820 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 83820 and 83831, than apply into the LCM equation.

GCF(83820,83831) = 11
LCM(83820,83831) = ( 83820 × 83831) / 11
LCM(83820,83831) = 7026714420 / 11
LCM(83820,83831) = 638792220

Least Common Multiple (LCM) of 83820 and 83831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83820 and 83831. First we will calculate the prime factors of 83820 and 83831.

Prime Factorization of 83820

Prime Factorization of 83831

Now multiplying the highest exponent prime factors to calculate the LCM of 83820 and 83831.

LCM(83820,83831) = 2² × 3¹ × 5¹ × 11¹ × 127¹ × 7621¹
LCM(83820,83831) = 638792220