What is the Least Common Multiple of 3409 and 3425?

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 3409 and 3425 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3409 and 3425, than apply into the LCM equation.

GCF(3409,3425) = 1
LCM(3409,3425) = ( 3409 × 3425) / 1
LCM(3409,3425) = 11675825 / 1
LCM(3409,3425) = 11675825

Least Common Multiple (LCM) of 3409 and 3425 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3409 and 3425. First we will calculate the prime factors of 3409 and 3425.

Prime Factorization of 3409

Prime Factorization of 3425

Now multiplying the highest exponent prime factors to calculate the LCM of 3409 and 3425.

LCM(3409,3425) = 7¹ × 487¹ × 5² × 137¹
LCM(3409,3425) = 11675825