Factors of 1388

2, 347. As a product: 2^2 × 347.

The factors of 1388 are 1, 2, 4, 347, 694, 1388. It has 6 factors.

Factors of 1388

Pick any whole number from 1 to 10,000.

1388 = 2^{2} \times 347

How to work it out

1
A factor of 1388 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1388 ≈ 37.26; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 6 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$1388 = 2^{2} \times 347$
4
Add all the factors: 1 + 2 + 4 + 347 + 694 + 1388 = 2436. Without 1388 itself that is 1048, so 1388 is a deficient number.

LaTeX source of the formulas on this page

\[ 1388 = 2^{2} \times 347 \]

What are the factors of 1388?

The factors of 1388 are 1, 2, 4, 347, 694, 1388. It has 6 factors.

What are the prime factors of 1388?

2, 347. As a product: $2^{2}$ × 347.

How many factors does 1388 have?

1388 has 6 factors (3 factor pairs).

What is the sum of the factors of 1388?

2436.

Is 1388 a prime number?

No. It is divisible by 2, so 1388 = 2 × 694.