What is the Least Common Multiple of 17654 and 17672?

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 17654 and 17672 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17654 and 17672, than apply into the LCM equation.

GCF(17654,17672) = 2
LCM(17654,17672) = ( 17654 × 17672) / 2
LCM(17654,17672) = 311981488 / 2
LCM(17654,17672) = 155990744

Least Common Multiple (LCM) of 17654 and 17672 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17654 and 17672. First we will calculate the prime factors of 17654 and 17672.

Prime Factorization of 17654

Prime Factorization of 17672

Now multiplying the highest exponent prime factors to calculate the LCM of 17654 and 17672.

LCM(17654,17672) = 2³ × 7¹ × 13¹ × 97¹ × 47²
LCM(17654,17672) = 155990744