What is the Least Common Multiple of 31291 and 31308?

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 31291 and 31308 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31291 and 31308, than apply into the LCM equation.

GCF(31291,31308) = 1
LCM(31291,31308) = ( 31291 × 31308) / 1
LCM(31291,31308) = 979658628 / 1
LCM(31291,31308) = 979658628

Least Common Multiple (LCM) of 31291 and 31308 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31291 and 31308. First we will calculate the prime factors of 31291 and 31308.

Prime Factorization of 31291

Prime Factorization of 31308

Now multiplying the highest exponent prime factors to calculate the LCM of 31291 and 31308.

LCM(31291,31308) = 13¹ × 29¹ × 83¹ × 2² × 3¹ × 2609¹
LCM(31291,31308) = 979658628