Is 71 a prime or composite number?

Answer 1

If you can't see the picture sorry I'm a sixth grader. 71 is a Prime number because, it only has two factors 71 and 1 explain further I will. 71 is a prime number because it is a whole number greater than 1 that can only be divided evenly by 1 and itself. Its only factors are 1 and 71. Since it has exactly two distinct factors, it meets the definition of a prime number. 71 is a prime number because it is a whole number greater than 1 that can only be divided evenly by 1 and itself. Its only factors are 1 and 71. Since it has exactly two distinct factors, it meets the definition of a prime number. To test if a number is prime, you can use the trial division method: divide the number by every integer from 2 up to its square root. If any of these divisions result in a whole number with no remainder, the number is composite.

Here is how the trial division works for 71:

Find the square root of 71: The square root of 71 is approximately 8.43.

Test for divisibility by primes less than 8.43: You only need to check the prime 71 ÷ 3 = 23.66... (not an integer)

71 ÷ 5 = 14.2 (not an integer)

71 ÷ 7 = 10.14... (not an integer)

Conclusion: Since 71 is not evenly divisible by any of the primes less than its square root, it is a prime number. numbers: 2, 3, 5, and 7.

71 ÷ 2 = 35.5 (not an integer)

Answer 2

71 is a Prime number. Any number that only has itself and one as factors is a prime number. Therefore, since there are no factors of 71 other than one and itself it is a prime number.

A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 71 is prime.
71 is a prime number because it has only two factors which are itself and one

Answer 3

71 is a prime number. Any number that only has itself and one as factors is a prime number. Therefore, since there are no factors of 71 other than one and itself it is a prime number.

A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 71 is prime.
71 is a prime number because it has only two factors which are itself and one

Answer 4

71 is a prime number because it has only two factors one and the number itself (i.e., 1 and 71), whereas composite numbers have more than two factors.

Answer 5

71 is a prime number.

Answer 6

prime

Answer 7

71 is prime