Is 741 a prime number?
No, 741 is not a prime number. It is divisible by 3: 741 = 3 × 247.
Is 741 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 √741 ≈ 27.22. If none of them divides 741, it is prime.
- 3
3 divides 741 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 741 = 3 \times 13 \times 19 \]
Testing 741 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 741 ÷ 2 | leaves 1 |
| 3 | 741 ÷ 3 | divides exactly (247) |
| 5 | 741 ÷ 5 | leaves 1 |
| 7 | 741 ÷ 7 | leaves 6 |
| 11 | 741 ÷ 11 | leaves 4 |
| 13 | 741 ÷ 13 | divides exactly (57) |
| 17 | 741 ÷ 17 | leaves 10 |
| 19 | 741 ÷ 19 | divides exactly (39) |
| 23 | 741 ÷ 23 | leaves 5 |
Questions
Is 741 a prime number?
No, 741 is not a prime number. It is divisible by 3: 741 = 3 × 247.
What is the next prime after 741?
743.
What is the prime number before 741?
739.
What are the factors of 741?
1, 3, 13, 19, 39, 57, 247, 741.