What is the Least Common Multiple of 25004 and 25020?

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 25004 and 25020 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25004 and 25020, than apply into the LCM equation.

GCF(25004,25020) = 4
LCM(25004,25020) = ( 25004 × 25020) / 4
LCM(25004,25020) = 625600080 / 4
LCM(25004,25020) = 156400020

Least Common Multiple (LCM) of 25004 and 25020 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25004 and 25020. First we will calculate the prime factors of 25004 and 25020.

Prime Factorization of 25004

Prime Factorization of 25020

Now multiplying the highest exponent prime factors to calculate the LCM of 25004 and 25020.

LCM(25004,25020) = 2² × 7¹ × 19¹ × 47¹ × 3² × 5¹ × 139¹
LCM(25004,25020) = 156400020