Nine proper factors: 1 2 4 5 10 20 25 50 100.
No, no prime number has proper factors.
24 has eight factors, which means it has six proper factors.
The set of factors includes one and the number itself. Proper factors do not include those two.
97 is prime. Prime numbers don't have proper factors.
4 has 3 factors (1,2,4) 9 has 3 factors (1,3,9) 25 has 3 factors (1,5,25) 100 has 9 factors (1,2,4,5,10,20,25,50,100)
The proper factors of 100 are 2, 4, 5, 10, 20, 25 and 50.
60, 72, 84, 90 and 96 are the numbers up to and including 100 that have ten proper factors
1,2,4,5,10,20,25,50,100 9 factors in total.
All even numbers greater than 2 have even proper factors, since they all have 2 as a proper factor.
The factors of 100 are: 1, 2, 4, 5, 10, 20, 25, 50, 10.
The proper factors of 100 are 2, 4, 5, 10, 20, 25, 50
100 has nine factors.
None.
100 has 9 factors: 1, 2, 4, 5, 10, 20, 25, 50 and 100.
100
3840 has 36 factors.
100, 50, 25, 20, 10, 5,4,2,1 are the factors and there are 9 of them.