What is the Least Common Multiple of 31861 and 31879?

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 31861 and 31879 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31861 and 31879, than apply into the LCM equation.

GCF(31861,31879) = 1
LCM(31861,31879) = ( 31861 × 31879) / 1
LCM(31861,31879) = 1015696819 / 1
LCM(31861,31879) = 1015696819

Least Common Multiple (LCM) of 31861 and 31879 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31861 and 31879. First we will calculate the prime factors of 31861 and 31879.

Prime Factorization of 31861

Prime Factorization of 31879

Now multiplying the highest exponent prime factors to calculate the LCM of 31861 and 31879.

LCM(31861,31879) = 151¹ × 211¹ × 71¹ × 449¹
LCM(31861,31879) = 1015696819