What is the Least Common Multiple of 18821 and 18841?

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 18821 and 18841 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18821 and 18841, than apply into the LCM equation.

GCF(18821,18841) = 1
LCM(18821,18841) = ( 18821 × 18841) / 1
LCM(18821,18841) = 354606461 / 1
LCM(18821,18841) = 354606461

Least Common Multiple (LCM) of 18821 and 18841 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18821 and 18841. First we will calculate the prime factors of 18821 and 18841.

Prime Factorization of 18821

Prime Factorization of 18841

Now multiplying the highest exponent prime factors to calculate the LCM of 18821 and 18841.

LCM(18821,18841) = 11¹ × 29¹ × 59¹ × 83¹ × 227¹
LCM(18821,18841) = 354606461