What is the Least Common Multiple of 20847 and 20851?

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 20847 and 20851 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20847 and 20851, than apply into the LCM equation.

GCF(20847,20851) = 1
LCM(20847,20851) = ( 20847 × 20851) / 1
LCM(20847,20851) = 434680797 / 1
LCM(20847,20851) = 434680797

Least Common Multiple (LCM) of 20847 and 20851 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20847 and 20851. First we will calculate the prime factors of 20847 and 20851.

Prime Factorization of 20847

Prime Factorization of 20851

Now multiplying the highest exponent prime factors to calculate the LCM of 20847 and 20851.

LCM(20847,20851) = 3¹ × 6949¹ × 29¹ × 719¹
LCM(20847,20851) = 434680797