What is the Least Common Multiple of 31406 and 31415?

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 31406 and 31415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31406 and 31415, than apply into the LCM equation.

GCF(31406,31415) = 1
LCM(31406,31415) = ( 31406 × 31415) / 1
LCM(31406,31415) = 986619490 / 1
LCM(31406,31415) = 986619490

Least Common Multiple (LCM) of 31406 and 31415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31406 and 31415. First we will calculate the prime factors of 31406 and 31415.

Prime Factorization of 31406

Prime Factorization of 31415

Now multiplying the highest exponent prime factors to calculate the LCM of 31406 and 31415.

LCM(31406,31415) = 2¹ × 41¹ × 383¹ × 5¹ × 61¹ × 103¹
LCM(31406,31415) = 986619490