What is the Least Common Multiple of 71709 and 71715?

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 71709 and 71715 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71709 and 71715, than apply into the LCM equation.

GCF(71709,71715) = 3
LCM(71709,71715) = ( 71709 × 71715) / 3
LCM(71709,71715) = 5142610935 / 3
LCM(71709,71715) = 1714203645

Least Common Multiple (LCM) of 71709 and 71715 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71709 and 71715. First we will calculate the prime factors of 71709 and 71715.

Prime Factorization of 71709

Prime Factorization of 71715

Now multiplying the highest exponent prime factors to calculate the LCM of 71709 and 71715.

LCM(71709,71715) = 3¹ × 11¹ × 41¹ × 53¹ × 5¹ × 7¹ × 683¹
LCM(71709,71715) = 1714203645