Factors of 1649

The factors of 1649 are 1, 17, 97, 1649. It has 4 factors.

Factors of 1649

Pick any whole number from 1 to 10,000.

1649 = 17 \times 97

How to work it out

1
A factor of 1649 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1649 ≈ 40.61; every one that divides gives a pair.
2
The factor pairs are listed in the table below. Together they give 4 factors.
3
Prime factorisation: keep dividing by the smallest prime that fits.
$1649 = 17 \times 97$
4
Add all the factors: 1 + 17 + 97 + 1649 = 1764. Without 1649 itself that is 115, so 1649 is a deficient number.

LaTeX source of the formulas on this page

\[ 1649 = 17 \times 97 \]

Factor	Pairs with	Product
1	1649	1 × 1649 = 1649
17	97	17 × 97 = 1649

What are the factors of 1649?

The factors of 1649 are 1, 17, 97, 1649. It has 4 factors.

What are the prime factors of 1649?

17, 97. As a product: 17 × 97.

How many factors does 1649 have?

1649 has 4 factors (2 factor pairs).

What is the sum of the factors of 1649?

1764.

Is 1649 a prime number?

No. It is divisible by 17, so 1649 = 17 × 97.