What is the Least Common Multiple of 28391 and 28402?

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 28391 and 28402 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28391 and 28402, than apply into the LCM equation.

GCF(28391,28402) = 11
LCM(28391,28402) = ( 28391 × 28402) / 11
LCM(28391,28402) = 806361182 / 11
LCM(28391,28402) = 73305562

Least Common Multiple (LCM) of 28391 and 28402 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28391 and 28402. First we will calculate the prime factors of 28391 and 28402.

Prime Factorization of 28391

Prime Factorization of 28402

Now multiplying the highest exponent prime factors to calculate the LCM of 28391 and 28402.

LCM(28391,28402) = 11¹ × 29¹ × 89¹ × 2¹ × 1291¹
LCM(28391,28402) = 73305562