What is the Least Common Multiple of 10205 and 10218?

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 10205 and 10218 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10205 and 10218, than apply into the LCM equation.

GCF(10205,10218) = 13
LCM(10205,10218) = ( 10205 × 10218) / 13
LCM(10205,10218) = 104274690 / 13
LCM(10205,10218) = 8021130

Least Common Multiple (LCM) of 10205 and 10218 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10205 and 10218. First we will calculate the prime factors of 10205 and 10218.

Prime Factorization of 10205

Prime Factorization of 10218

Now multiplying the highest exponent prime factors to calculate the LCM of 10205 and 10218.

LCM(10205,10218) = 5¹ × 13¹ × 157¹ × 2¹ × 3¹ × 131¹
LCM(10205,10218) = 8021130