What is the Least Common Multiple of 31283 and 31287?

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 31283 and 31287 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31283 and 31287, than apply into the LCM equation.

GCF(31283,31287) = 1
LCM(31283,31287) = ( 31283 × 31287) / 1
LCM(31283,31287) = 978751221 / 1
LCM(31283,31287) = 978751221

Least Common Multiple (LCM) of 31283 and 31287 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31283 and 31287. First we will calculate the prime factors of 31283 and 31287.

Prime Factorization of 31283

Prime Factorization of 31287

Now multiplying the highest exponent prime factors to calculate the LCM of 31283 and 31287.

LCM(31283,31287) = 7¹ × 41¹ × 109¹ × 3¹ × 10429¹
LCM(31283,31287) = 978751221