1, 31
1, 5, 7, 35
Just 1.
A prime number has exactly two factors.The factors of 31 are 1 and 31, so it is a prime number.The factors of 35 are 1, 5, 7, and 35, so it is not a prime number.The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24, so it is not a prime number.The only prime number among 31, 35, and 24 is 31.
The factors of 1085 are 1, 5, 7, 31, 35, 155, 217, and 1085. The prime factors of 1085 are 5, 7, and 31.
3, 31, 53, and 71 are primes; 35 is composite, having the factors 1, 5, 7, and 35.
It is 35 because it has more than 2 factors
24 is divisible by 2 and 35 is divisible by 5. 31 has only two factors: 1 and itself. 31 is the prime number.
24 and 35 are composite numbers because they have more than two factors whereas 31 is a prime number because it only has two factors.
2 x 2 x 2 x 3 = 24 31 is already prime. 5 x 7 = 35
17, 19, 23, 29, 31
The positive integer factors of 1085 are: 1, 5, 7, 31, 35, 155, 217, 1085
All the number except for 35 have only two factors: one and the number itself. 35 is the composite number.
31/35 = 88.6%