What is the Least Common Multiple of 31439 and 31447?

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 31439 and 31447 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31439 and 31447, than apply into the LCM equation.

GCF(31439,31447) = 1
LCM(31439,31447) = ( 31439 × 31447) / 1
LCM(31439,31447) = 988662233 / 1
LCM(31439,31447) = 988662233

Least Common Multiple (LCM) of 31439 and 31447 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31439 and 31447. First we will calculate the prime factors of 31439 and 31447.

Prime Factorization of 31439

Prime Factorization of 31447

Now multiplying the highest exponent prime factors to calculate the LCM of 31439 and 31447.

LCM(31439,31447) = 149¹ × 211¹ × 13¹ × 41¹ × 59¹
LCM(31439,31447) = 988662233