What is the Least Common Multiple of 17857 and 17871?

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 17857 and 17871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17857 and 17871, than apply into the LCM equation.

GCF(17857,17871) = 7
LCM(17857,17871) = ( 17857 × 17871) / 7
LCM(17857,17871) = 319122447 / 7
LCM(17857,17871) = 45588921

Least Common Multiple (LCM) of 17857 and 17871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17857 and 17871. First we will calculate the prime factors of 17857 and 17871.

Prime Factorization of 17857

Prime Factorization of 17871

Now multiplying the highest exponent prime factors to calculate the LCM of 17857 and 17871.

LCM(17857,17871) = 7¹ × 2551¹ × 3¹ × 23¹ × 37¹
LCM(17857,17871) = 45588921