What is the Least Common Multiple of 20245 and 20258?

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 20245 and 20258 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20245 and 20258, than apply into the LCM equation.

GCF(20245,20258) = 1
LCM(20245,20258) = ( 20245 × 20258) / 1
LCM(20245,20258) = 410123210 / 1
LCM(20245,20258) = 410123210

Least Common Multiple (LCM) of 20245 and 20258 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20245 and 20258. First we will calculate the prime factors of 20245 and 20258.

Prime Factorization of 20245

Prime Factorization of 20258

Now multiplying the highest exponent prime factors to calculate the LCM of 20245 and 20258.

LCM(20245,20258) = 5¹ × 4049¹ × 2¹ × 7¹ × 1447¹
LCM(20245,20258) = 410123210