What is the Least Common Multiple of 22715 and 22721?

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 22715 and 22721 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22715 and 22721, than apply into the LCM equation.

GCF(22715,22721) = 1
LCM(22715,22721) = ( 22715 × 22721) / 1
LCM(22715,22721) = 516107515 / 1
LCM(22715,22721) = 516107515

Least Common Multiple (LCM) of 22715 and 22721 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22715 and 22721. First we will calculate the prime factors of 22715 and 22721.

Prime Factorization of 22715

Prime Factorization of 22721

Now multiplying the highest exponent prime factors to calculate the LCM of 22715 and 22721.

LCM(22715,22721) = 5¹ × 7¹ × 11¹ × 59¹ × 22721¹
LCM(22715,22721) = 516107515