What is the Least Common Multiple of 31745 and 31765?

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 31745 and 31765 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31745 and 31765, than apply into the LCM equation.

GCF(31745,31765) = 5
LCM(31745,31765) = ( 31745 × 31765) / 5
LCM(31745,31765) = 1008379925 / 5
LCM(31745,31765) = 201675985

Least Common Multiple (LCM) of 31745 and 31765 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31745 and 31765. First we will calculate the prime factors of 31745 and 31765.

Prime Factorization of 31745

Prime Factorization of 31765

Now multiplying the highest exponent prime factors to calculate the LCM of 31745 and 31765.

LCM(31745,31765) = 5¹ × 7¹ × 907¹ × 6353¹
LCM(31745,31765) = 201675985