What is the Least Common Multiple of 25409 and 25413?

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 25409 and 25413 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25409 and 25413, than apply into the LCM equation.

GCF(25409,25413) = 1
LCM(25409,25413) = ( 25409 × 25413) / 1
LCM(25409,25413) = 645718917 / 1
LCM(25409,25413) = 645718917

Least Common Multiple (LCM) of 25409 and 25413 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25409 and 25413. First we will calculate the prime factors of 25409 and 25413.

Prime Factorization of 25409

Prime Factorization of 25413

Now multiplying the highest exponent prime factors to calculate the LCM of 25409 and 25413.

LCM(25409,25413) = 25409¹ × 3¹ × 43¹ × 197¹
LCM(25409,25413) = 645718917