Factors of 777
The factors of 777 are 1, 3, 7, 21, 37, 111, 259, 777. It has 8 factors.
Factors of 777
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 777 is a whole number that divides it with nothing left over. You only need to test the numbers up to √777 ≈ 27.87; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 8 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 3 + 7 + 21 + 37 + 111 + 259 + 777 = 1216. Without 777 itself that is 439, so 777 is a deficient number.
LaTeX source of the formulas on this page
\[ 777 = 3 \times 7 \times 37 \]
Factor pairs of 777
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 777 | 1 × 777 = 777 |
| 3 | 259 | 3 × 259 = 777 |
| 7 | 111 | 7 × 111 = 777 |
| 21 | 37 | 21 × 37 = 777 |
Questions
What are the factors of 777?
The factors of 777 are 1, 3, 7, 21, 37, 111, 259, 777. It has 8 factors.
What are the prime factors of 777?
3, 7, 37. As a product: 3 × 7 × 37.
How many factors does 777 have?
777 has 8 factors (4 factor pairs).
What is the sum of the factors of 777?
1216.
Is 777 a prime number?
No. It is divisible by 3, so 777 = 3 × 259.