What is the Least Common Multiple of 17515 and 17521?

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 17515 and 17521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17515 and 17521, than apply into the LCM equation.

GCF(17515,17521) = 1
LCM(17515,17521) = ( 17515 × 17521) / 1
LCM(17515,17521) = 306880315 / 1
LCM(17515,17521) = 306880315

Least Common Multiple (LCM) of 17515 and 17521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17515 and 17521. First we will calculate the prime factors of 17515 and 17521.

Prime Factorization of 17515

Prime Factorization of 17521

Now multiplying the highest exponent prime factors to calculate the LCM of 17515 and 17521.

LCM(17515,17521) = 5¹ × 31¹ × 113¹ × 7¹ × 2503¹
LCM(17515,17521) = 306880315