What is the Least Common Multiple of 31578 and 31583?

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 31578 and 31583 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31578 and 31583, than apply into the LCM equation.

GCF(31578,31583) = 1
LCM(31578,31583) = ( 31578 × 31583) / 1
LCM(31578,31583) = 997327974 / 1
LCM(31578,31583) = 997327974

Least Common Multiple (LCM) of 31578 and 31583 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31578 and 31583. First we will calculate the prime factors of 31578 and 31583.

Prime Factorization of 31578

Prime Factorization of 31583

Now multiplying the highest exponent prime factors to calculate the LCM of 31578 and 31583.

LCM(31578,31583) = 2¹ × 3¹ × 19¹ × 277¹ × 31583¹
LCM(31578,31583) = 997327974