What is the Least Common Multiple of 17431 and 17451?

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 17431 and 17451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17431 and 17451, than apply into the LCM equation.

GCF(17431,17451) = 1
LCM(17431,17451) = ( 17431 × 17451) / 1
LCM(17431,17451) = 304188381 / 1
LCM(17431,17451) = 304188381

Least Common Multiple (LCM) of 17431 and 17451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17431 and 17451. First we will calculate the prime factors of 17431 and 17451.

Prime Factorization of 17431

Prime Factorization of 17451

Now multiplying the highest exponent prime factors to calculate the LCM of 17431 and 17451.

LCM(17431,17451) = 17431¹ × 3² × 7¹ × 277¹
LCM(17431,17451) = 304188381