What is the Least Common Multiple of 31447 and 31453?

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 31447 and 31453 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31447 and 31453, than apply into the LCM equation.

GCF(31447,31453) = 1
LCM(31447,31453) = ( 31447 × 31453) / 1
LCM(31447,31453) = 989102491 / 1
LCM(31447,31453) = 989102491

Least Common Multiple (LCM) of 31447 and 31453 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31447 and 31453. First we will calculate the prime factors of 31447 and 31453.

Prime Factorization of 31447

Prime Factorization of 31453

Now multiplying the highest exponent prime factors to calculate the LCM of 31447 and 31453.

LCM(31447,31453) = 13¹ × 41¹ × 59¹ × 71¹ × 443¹
LCM(31447,31453) = 989102491