What is the Least Common Multiple of 3480 and 3500?

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 3480 and 3500 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3480 and 3500, than apply into the LCM equation.

GCF(3480,3500) = 20
LCM(3480,3500) = ( 3480 × 3500) / 20
LCM(3480,3500) = 12180000 / 20
LCM(3480,3500) = 609000

Least Common Multiple (LCM) of 3480 and 3500 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3480 and 3500. First we will calculate the prime factors of 3480 and 3500.

Prime Factorization of 3480

Prime Factorization of 3500

Now multiplying the highest exponent prime factors to calculate the LCM of 3480 and 3500.

LCM(3480,3500) = 2³ × 3¹ × 5³ × 29¹ × 7¹
LCM(3480,3500) = 609000