What is the Least Common Multiple of 20789 and 20803?

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 20789 and 20803 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20789 and 20803, than apply into the LCM equation.

GCF(20789,20803) = 1
LCM(20789,20803) = ( 20789 × 20803) / 1
LCM(20789,20803) = 432473567 / 1
LCM(20789,20803) = 432473567

Least Common Multiple (LCM) of 20789 and 20803 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20789 and 20803. First we will calculate the prime factors of 20789 and 20803.

Prime Factorization of 20789

Prime Factorization of 20803

Now multiplying the highest exponent prime factors to calculate the LCM of 20789 and 20803.

LCM(20789,20803) = 20789¹ × 71¹ × 293¹
LCM(20789,20803) = 432473567