What is the Least Common Multiple of 20055 and 20065?

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 20055 and 20065 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20055 and 20065, than apply into the LCM equation.

GCF(20055,20065) = 5
LCM(20055,20065) = ( 20055 × 20065) / 5
LCM(20055,20065) = 402403575 / 5
LCM(20055,20065) = 80480715

Least Common Multiple (LCM) of 20055 and 20065 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20055 and 20065. First we will calculate the prime factors of 20055 and 20065.

Prime Factorization of 20055

Prime Factorization of 20065

Now multiplying the highest exponent prime factors to calculate the LCM of 20055 and 20065.

LCM(20055,20065) = 3¹ × 5¹ × 7¹ × 191¹ × 4013¹
LCM(20055,20065) = 80480715