Factors of 1987
The factors of 1987 are 1, 1987. It has 2 factors.
Factors of 1987
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 1987 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1987 ≈ 44.58; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 2 factors.
- 3
1987 has no factors besides 1 and itself, so it is a prime number.
- 4
Add all the factors: 1 + 1987 = 1988. Without 1987 itself that is 1, so 1987 is a deficient number.
LaTeX source of the formulas on this page
\[ 1987 = 1987 \]
Factor pairs of 1987
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 1987 | 1 × 1987 = 1987 |
Questions
What are the factors of 1987?
The factors of 1987 are 1, 1987. It has 2 factors.
What are the prime factors of 1987?
1987. As a product: 1987.
How many factors does 1987 have?
1987 has 2 factors (1 factor pair).
What is the sum of the factors of 1987?
1988.
Is 1987 a prime number?
Yes. Its only factors are 1 and 1987.