What is the Least Common Multiple of 13455 and 13475?

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 13455 and 13475 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13455 and 13475, than apply into the LCM equation.

GCF(13455,13475) = 5
LCM(13455,13475) = ( 13455 × 13475) / 5
LCM(13455,13475) = 181306125 / 5
LCM(13455,13475) = 36261225

Least Common Multiple (LCM) of 13455 and 13475 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13455 and 13475. First we will calculate the prime factors of 13455 and 13475.

Prime Factorization of 13455

Prime Factorization of 13475

Now multiplying the highest exponent prime factors to calculate the LCM of 13455 and 13475.

LCM(13455,13475) = 3² × 5² × 13¹ × 23¹ × 7² × 11¹
LCM(13455,13475) = 36261225