GCF and LCM Calculator Logo

What is the Least Common Multiple of 1687 and 1693?

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 (LCM) of 1687 and 1693 is 2856091.

LCM(1687,1693) = 2856091

LCM Calculator and
and

Least Common Multiple of 1687 and 1693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1687 and 1693, than apply into the LCM equation.

GCF(1687,1693) = 1
LCM(1687,1693) = ( 1687 × 1693) / 1
LCM(1687,1693) = 2856091 / 1
LCM(1687,1693) = 2856091

Least Common Multiple (LCM) of 1687 and 1693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1687 and 1693. First we will calculate the prime factors of 1687 and 1693.

Prime Factorization of 1687

Prime factors of 1687 are 7, 241. Prime factorization of 1687 in exponential form is:

1687 = 71 × 2411

Prime Factorization of 1693

Prime factors of 1693 are 1693. Prime factorization of 1693 in exponential form is:

1693 = 16931

Now multiplying the highest exponent prime factors to calculate the LCM of 1687 and 1693.

LCM(1687,1693) = 71 × 2411 × 16931
LCM(1687,1693) = 2856091