What is the Least Common Multiple of 15485 and 15497?

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 15485 and 15497 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15485 and 15497, than apply into the LCM equation.

GCF(15485,15497) = 1
LCM(15485,15497) = ( 15485 × 15497) / 1
LCM(15485,15497) = 239971045 / 1
LCM(15485,15497) = 239971045

Least Common Multiple (LCM) of 15485 and 15497 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15485 and 15497. First we will calculate the prime factors of 15485 and 15497.

Prime Factorization of 15485

Prime Factorization of 15497

Now multiplying the highest exponent prime factors to calculate the LCM of 15485 and 15497.

LCM(15485,15497) = 5¹ × 19¹ × 163¹ × 15497¹
LCM(15485,15497) = 239971045