The number you are looking for is 13.
The other factor is 2, but 2 is even, so 13 is the only possibility.
52=13*2*2
2,3,5,7.2*3*5*7=210
50 is not a prime factor or a prime number because it has more than two factors and so it is a composite number
9797 is the largest prime number less than 100.
67 will be the largest prime number less than 70.
312, 325 or 338
2 and 7 are prime numbers less than 10 that are factors of 42 and 70.
The prime factor of 7 is 7. The prime factor of 8 is 2. The prime factor of 9 is 3. The prime factors of 10 are 2 and 5. The prime factor of 11 is 11.
3
no, factors of a number would be less than that of the original number. A prime number is a number that has factors of only itself and 1.
13
2,3,5,7.2*3*5*7=210
No square number is a prime number, since it has the number you squared as a factor. There are several square numbers less than 100. Just calculate the squares of all numbers, starting with 1, until you reach or pass 100. Then stop.
9
The answer is 9. It is a multiple of 3. 3+3+3=9. It is less than 20: 20-9=11.It is not a prime number. It is odd, and it is not a factor of 30. 30/9=3.3333333333
37
50 is not a prime factor or a prime number because it has more than two factors and so it is a composite number
It is a number 1 less than a prime number. There is nothing else that can be said about it that is invariably true.