What is the Least Common Multiple of 11315 and 11320?

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 11315 and 11320 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11315 and 11320, than apply into the LCM equation.

GCF(11315,11320) = 5
LCM(11315,11320) = ( 11315 × 11320) / 5
LCM(11315,11320) = 128085800 / 5
LCM(11315,11320) = 25617160

Least Common Multiple (LCM) of 11315 and 11320 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11315 and 11320. First we will calculate the prime factors of 11315 and 11320.

Prime Factorization of 11315

Prime Factorization of 11320

Now multiplying the highest exponent prime factors to calculate the LCM of 11315 and 11320.

LCM(11315,11320) = 5¹ × 31¹ × 73¹ × 2³ × 283¹
LCM(11315,11320) = 25617160