What is the Least Common Multiple of 25490 and 25498?

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 25490 and 25498 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25490 and 25498, than apply into the LCM equation.

GCF(25490,25498) = 2
LCM(25490,25498) = ( 25490 × 25498) / 2
LCM(25490,25498) = 649944020 / 2
LCM(25490,25498) = 324972010

Least Common Multiple (LCM) of 25490 and 25498 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25490 and 25498. First we will calculate the prime factors of 25490 and 25498.

Prime Factorization of 25490

Prime Factorization of 25498

Now multiplying the highest exponent prime factors to calculate the LCM of 25490 and 25498.

LCM(25490,25498) = 2¹ × 5¹ × 2549¹ × 11¹ × 19¹ × 61¹
LCM(25490,25498) = 324972010