What is the Least Common Multiple of 71317 and 71331?

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 71317 and 71331 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71317 and 71331, than apply into the LCM equation.

GCF(71317,71331) = 1
LCM(71317,71331) = ( 71317 × 71331) / 1
LCM(71317,71331) = 5087112927 / 1
LCM(71317,71331) = 5087112927

Least Common Multiple (LCM) of 71317 and 71331 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71317 and 71331. First we will calculate the prime factors of 71317 and 71331.

Prime Factorization of 71317

Prime Factorization of 71331

Now multiplying the highest exponent prime factors to calculate the LCM of 71317 and 71331.

LCM(71317,71331) = 71317¹ × 3¹ × 13¹ × 31¹ × 59¹
LCM(71317,71331) = 5087112927