What is the Least Common Multiple of 13240 and 13260?

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 13240 and 13260 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13240 and 13260, than apply into the LCM equation.

GCF(13240,13260) = 20
LCM(13240,13260) = ( 13240 × 13260) / 20
LCM(13240,13260) = 175562400 / 20
LCM(13240,13260) = 8778120

Least Common Multiple (LCM) of 13240 and 13260 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13240 and 13260. First we will calculate the prime factors of 13240 and 13260.

Prime Factorization of 13240

Prime Factorization of 13260

Now multiplying the highest exponent prime factors to calculate the LCM of 13240 and 13260.

LCM(13240,13260) = 2³ × 5¹ × 331¹ × 3¹ × 13¹ × 17¹
LCM(13240,13260) = 8778120