What is the Least Common Multiple of 25413 and 25431?

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 25413 and 25431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25413 and 25431, than apply into the LCM equation.

GCF(25413,25431) = 3
LCM(25413,25431) = ( 25413 × 25431) / 3
LCM(25413,25431) = 646278003 / 3
LCM(25413,25431) = 215426001

Least Common Multiple (LCM) of 25413 and 25431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25413 and 25431. First we will calculate the prime factors of 25413 and 25431.

Prime Factorization of 25413

Prime Factorization of 25431

Now multiplying the highest exponent prime factors to calculate the LCM of 25413 and 25431.

LCM(25413,25431) = 3¹ × 43¹ × 197¹ × 7² × 173¹
LCM(25413,25431) = 215426001