What is the Least Common Multiple of 9717 and 9721?

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 9717 and 9721 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9717 and 9721, than apply into the LCM equation.

GCF(9717,9721) = 1
LCM(9717,9721) = ( 9717 × 9721) / 1
LCM(9717,9721) = 94458957 / 1
LCM(9717,9721) = 94458957

Least Common Multiple (LCM) of 9717 and 9721 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9717 and 9721. First we will calculate the prime factors of 9717 and 9721.

Prime Factorization of 9717

Prime Factorization of 9721

Now multiplying the highest exponent prime factors to calculate the LCM of 9717 and 9721.

LCM(9717,9721) = 3¹ × 41¹ × 79¹ × 9721¹
LCM(9717,9721) = 94458957