What is the Least Common Multiple of 15281 and 15289?

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 15281 and 15289 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15281 and 15289, than apply into the LCM equation.

GCF(15281,15289) = 1
LCM(15281,15289) = ( 15281 × 15289) / 1
LCM(15281,15289) = 233631209 / 1
LCM(15281,15289) = 233631209

Least Common Multiple (LCM) of 15281 and 15289 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15281 and 15289. First we will calculate the prime factors of 15281 and 15289.

Prime Factorization of 15281

Prime Factorization of 15289

Now multiplying the highest exponent prime factors to calculate the LCM of 15281 and 15289.

LCM(15281,15289) = 7¹ × 37¹ × 59¹ × 15289¹
LCM(15281,15289) = 233631209