What is the Least Common Multiple of 31820 and 31832?

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 31820 and 31832 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31820 and 31832, than apply into the LCM equation.

GCF(31820,31832) = 4
LCM(31820,31832) = ( 31820 × 31832) / 4
LCM(31820,31832) = 1012894240 / 4
LCM(31820,31832) = 253223560

Least Common Multiple (LCM) of 31820 and 31832 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31820 and 31832. First we will calculate the prime factors of 31820 and 31832.

Prime Factorization of 31820

Prime Factorization of 31832

Now multiplying the highest exponent prime factors to calculate the LCM of 31820 and 31832.

LCM(31820,31832) = 2³ × 5¹ × 37¹ × 43¹ × 23¹ × 173¹
LCM(31820,31832) = 253223560