What is the Least Common Multiple of 31157 and 31169?

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 31157 and 31169 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31157 and 31169, than apply into the LCM equation.

GCF(31157,31169) = 1
LCM(31157,31169) = ( 31157 × 31169) / 1
LCM(31157,31169) = 971132533 / 1
LCM(31157,31169) = 971132533

Least Common Multiple (LCM) of 31157 and 31169 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31157 and 31169. First we will calculate the prime factors of 31157 and 31169.

Prime Factorization of 31157

Prime Factorization of 31169

Now multiplying the highest exponent prime factors to calculate the LCM of 31157 and 31169.

LCM(31157,31169) = 7¹ × 4451¹ × 71¹ × 439¹
LCM(31157,31169) = 971132533