What is the Least Common Multiple of 31261 and 31278?

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 31261 and 31278 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31261 and 31278, than apply into the LCM equation.

GCF(31261,31278) = 1
LCM(31261,31278) = ( 31261 × 31278) / 1
LCM(31261,31278) = 977781558 / 1
LCM(31261,31278) = 977781558

Least Common Multiple (LCM) of 31261 and 31278 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31261 and 31278. First we will calculate the prime factors of 31261 and 31278.

Prime Factorization of 31261

Prime Factorization of 31278

Now multiplying the highest exponent prime factors to calculate the LCM of 31261 and 31278.

LCM(31261,31278) = 43¹ × 727¹ × 2¹ × 3¹ × 13¹ × 401¹
LCM(31261,31278) = 977781558