What is the Least Common Multiple of 28690 and 28697?

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 28690 and 28697 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28690 and 28697, than apply into the LCM equation.

GCF(28690,28697) = 1
LCM(28690,28697) = ( 28690 × 28697) / 1
LCM(28690,28697) = 823316930 / 1
LCM(28690,28697) = 823316930

Least Common Multiple (LCM) of 28690 and 28697 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28690 and 28697. First we will calculate the prime factors of 28690 and 28697.

Prime Factorization of 28690

Prime Factorization of 28697

Now multiplying the highest exponent prime factors to calculate the LCM of 28690 and 28697.

LCM(28690,28697) = 2¹ × 5¹ × 19¹ × 151¹ × 28697¹
LCM(28690,28697) = 823316930