Is 1616 a prime number?
No, 1616 is not a prime number. It is divisible by 2: 1616 = 2 × 808.
Is 1616 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 √1616 ≈ 40.20. If none of them divides 1616, it is prime.
- 3
2 divides 1616 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1616 = 2^{4} \times 101 \]Testing 1616 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1616 ÷ 2 | divides exactly (808) |
| 3 | 1616 ÷ 3 | leaves 2 |
| 5 | 1616 ÷ 5 | leaves 1 |
| 7 | 1616 ÷ 7 | leaves 6 |
| 11 | 1616 ÷ 11 | leaves 10 |
| 13 | 1616 ÷ 13 | leaves 4 |
| 17 | 1616 ÷ 17 | leaves 1 |
| 19 | 1616 ÷ 19 | leaves 1 |
| 23 | 1616 ÷ 23 | leaves 6 |
| 29 | 1616 ÷ 29 | leaves 21 |
| 31 | 1616 ÷ 31 | leaves 4 |
| 37 | 1616 ÷ 37 | leaves 25 |
Questions
Is 1616 a prime number?
No, 1616 is not a prime number. It is divisible by 2: 1616 = 2 × 808.
What is the next prime after 1616?
1619.
What is the prime number before 1616?
1613.
What are the factors of 1616?
1, 2, 4, 8, 16, 101, 202, 404, 808, 1616.