What is the Least Common Multiple of 28231 and 28251?

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 28231 and 28251 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28231 and 28251, than apply into the LCM equation.

GCF(28231,28251) = 1
LCM(28231,28251) = ( 28231 × 28251) / 1
LCM(28231,28251) = 797553981 / 1
LCM(28231,28251) = 797553981

Least Common Multiple (LCM) of 28231 and 28251 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28231 and 28251. First we will calculate the prime factors of 28231 and 28251.

Prime Factorization of 28231

Prime Factorization of 28251

Now multiplying the highest exponent prime factors to calculate the LCM of 28231 and 28251.

LCM(28231,28251) = 7¹ × 37¹ × 109¹ × 3² × 43¹ × 73¹
LCM(28231,28251) = 797553981