What is the Least Common Multiple of 1328 and 1346?

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 1328 and 1346 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1328 and 1346, than apply into the LCM equation.

GCF(1328,1346) = 2
LCM(1328,1346) = ( 1328 × 1346) / 2
LCM(1328,1346) = 1787488 / 2
LCM(1328,1346) = 893744

Least Common Multiple (LCM) of 1328 and 1346 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1328 and 1346. First we will calculate the prime factors of 1328 and 1346.

Prime Factorization of 1328

Prime Factorization of 1346

Now multiplying the highest exponent prime factors to calculate the LCM of 1328 and 1346.

LCM(1328,1346) = 2⁴ × 83¹ × 673¹
LCM(1328,1346) = 893744