Factors of 2
The factors of 2 are 1, 2. It has 2 factors.
Factors of 2
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 2 is a whole number that divides it with nothing left over. You only need to test the numbers up to √2 ≈ 1.41; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 2 factors.
- 3
2 has no factors besides 1 and itself, so it is a prime number.
- 4
Add all the factors: 1 + 2 = 3. Without 2 itself that is 1, so 2 is a deficient number.
LaTeX source of the formulas on this page
\[ 2 = 2 \]
Factor pairs of 2
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 2 | 1 × 2 = 2 |
Questions
What are the factors of 2?
The factors of 2 are 1, 2. It has 2 factors.
What are the prime factors of 2?
2. As a product: 2.
How many factors does 2 have?
2 has 2 factors (1 factor pair).
What is the sum of the factors of 2?
3.
Is 2 a prime number?
Yes. Its only factors are 1 and 2.