What is the Least Common Multiple of 10515 and 10521?

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 10515 and 10521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10515 and 10521, than apply into the LCM equation.

GCF(10515,10521) = 3
LCM(10515,10521) = ( 10515 × 10521) / 3
LCM(10515,10521) = 110628315 / 3
LCM(10515,10521) = 36876105

Least Common Multiple (LCM) of 10515 and 10521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10515 and 10521. First we will calculate the prime factors of 10515 and 10521.

Prime Factorization of 10515

Prime Factorization of 10521

Now multiplying the highest exponent prime factors to calculate the LCM of 10515 and 10521.

LCM(10515,10521) = 3² × 5¹ × 701¹ × 7¹ × 167¹
LCM(10515,10521) = 36876105