What is the Least Common Multiple of 31996 and 32004?

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 31996 and 32004 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31996 and 32004, than apply into the LCM equation.

GCF(31996,32004) = 4
LCM(31996,32004) = ( 31996 × 32004) / 4
LCM(31996,32004) = 1023999984 / 4
LCM(31996,32004) = 255999996

Least Common Multiple (LCM) of 31996 and 32004 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31996 and 32004. First we will calculate the prime factors of 31996 and 32004.

Prime Factorization of 31996

Prime Factorization of 32004

Now multiplying the highest exponent prime factors to calculate the LCM of 31996 and 32004.

LCM(31996,32004) = 2² × 19¹ × 421¹ × 3² × 7¹ × 127¹
LCM(31996,32004) = 255999996