890 is the sum of four consecutive prime numbers:

- 211 + 223 + 227 + 229 = 890

890 is also the hypotenuse of four Pythagorean triples:

- 168-874-890, which is
**2**times (84-437-**445**) - 390-800-890, which is
**10**times (39-80-**89**) - 406-792-890, which is
**2**times (203-396-**445**) - 534-712-890, which is (3-4-
**5**) times**178**

Print the puzzles or type the solution on this excel file: 12 factors 886-896

- 890 is a composite number.
- Prime factorization: 890 = 2 × 5 × 89
- The exponents in the prime factorization are 1, 1, and 1. Adding one to each and multiplying we get (1 + 1)(1 + 1)(1 + 1) = 2 × 2 × 2 = 8. Therefore 890 has exactly 8 factors.
- Factors of 890: 1, 2, 5, 10, 89, 178, 445, 890
- Factor pairs: 890 = 1 × 890, 2 × 445, 5 × 178, or 10 × 89
- 890 has no square factors that allow its square root to be simplified. √890 ≈ 29.83286778.

Advertisements