Is 889 a prime number?
No, 889 is not a prime number. It is divisible by 7: 889 = 7 × 127.
Is 889 prime?
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A prime number has exactly two factors: 1 and itself.
- 2
It is enough to test the primes up to √889 ≈ 29.82. If none of them divides 889, it is prime.
- 3
7 divides 889 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 889 = 7 \times 127 \]
Testing 889 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 889 ÷ 2 | leaves 1 |
| 3 | 889 ÷ 3 | leaves 1 |
| 5 | 889 ÷ 5 | leaves 4 |
| 7 | 889 ÷ 7 | divides exactly (127) |
| 11 | 889 ÷ 11 | leaves 9 |
| 13 | 889 ÷ 13 | leaves 5 |
| 17 | 889 ÷ 17 | leaves 5 |
| 19 | 889 ÷ 19 | leaves 15 |
| 23 | 889 ÷ 23 | leaves 15 |
| 29 | 889 ÷ 29 | leaves 19 |
Questions
Is 889 a prime number?
No, 889 is not a prime number. It is divisible by 7: 889 = 7 × 127.
What is the next prime after 889?
907.
What is the prime number before 889?
887.
What are the factors of 889?
1, 7, 127, 889.