What is the Least Common Multiple of 15428 and 15434?

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 15428 and 15434 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15428 and 15434, than apply into the LCM equation.

GCF(15428,15434) = 2
LCM(15428,15434) = ( 15428 × 15434) / 2
LCM(15428,15434) = 238115752 / 2
LCM(15428,15434) = 119057876

Least Common Multiple (LCM) of 15428 and 15434 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15428 and 15434. First we will calculate the prime factors of 15428 and 15434.

Prime Factorization of 15428

Prime Factorization of 15434

Now multiplying the highest exponent prime factors to calculate the LCM of 15428 and 15434.

LCM(15428,15434) = 2² × 7¹ × 19¹ × 29¹ × 7717¹
LCM(15428,15434) = 119057876