Square numbers have an odd number of factors. 1, 4, 9, 16...
The most factors any odd number less than 100 has is 6. There are 4 numbers which have 6 factors:45, 63, 75 & 99.
Yes, it has nine factors: 1, 3, 5, 9, 15, 25, 45, 75, 225.
Yes. Square numbers have an odd number of factors. 49 has three factors.
odd
The odd composite factors of 90 are: 9, 15, 45
45
45
45 has six factors.
Square numbers have an odd number of factors. 1, 4, 9, 16...
45, 63, 75 and 99 each have six factors.
The most factors any odd number less than 100 has is 6. There are 4 numbers which have 6 factors:45, 63, 75 & 99.
45, 63, 75 and 99 each have six factors.
45 has only one number and that is 45. It is odd so 45 has one odd number.
Yes, it has nine factors: 1, 3, 5, 9, 15, 25, 45, 75, 225.
45 is an odd number because the 5 is an odd number
45, 63, 75 and 99 all have 6.