Question

how to know that 1069 is a prime number​

Answer 1

Answer:

If 1069 were not a prime number, then it would be divisible by at least one prime number less than or equal to √1069 ≈ 32.7. Since 1069 cannot be divided evenly by 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 or 31, we know that 1069 is a prime number.

Answer 2

Answer:

You can get to know that 1069 is prime number by taking out the factors of 1069 by prime factorization. If 1069 has more than two factors, it's not a prime number, and If it has only two factors then it is a prime number.

Factors of 1069 : 1 and 1069

As 1069 has only two factors, it's a prime number.

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