What is the Least Common Multiple of 6500 and 6515?

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 6500 and 6515 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6500 and 6515, than apply into the LCM equation.

GCF(6500,6515) = 5
LCM(6500,6515) = ( 6500 × 6515) / 5
LCM(6500,6515) = 42347500 / 5
LCM(6500,6515) = 8469500

Least Common Multiple (LCM) of 6500 and 6515 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6500 and 6515. First we will calculate the prime factors of 6500 and 6515.

Prime Factorization of 6500

Prime Factorization of 6515

Now multiplying the highest exponent prime factors to calculate the LCM of 6500 and 6515.

LCM(6500,6515) = 2² × 5³ × 13¹ × 1303¹
LCM(6500,6515) = 8469500