What is the Least Common Multiple of 31216 and 31222?

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 31216 and 31222 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31216 and 31222, than apply into the LCM equation.

GCF(31216,31222) = 2
LCM(31216,31222) = ( 31216 × 31222) / 2
LCM(31216,31222) = 974625952 / 2
LCM(31216,31222) = 487312976

Least Common Multiple (LCM) of 31216 and 31222 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31216 and 31222. First we will calculate the prime factors of 31216 and 31222.

Prime Factorization of 31216

Prime Factorization of 31222

Now multiplying the highest exponent prime factors to calculate the LCM of 31216 and 31222.

LCM(31216,31222) = 2⁴ × 1951¹ × 67¹ × 233¹
LCM(31216,31222) = 487312976