20
10
A whole number greater than 1 that has 3 or more factors is 10.
The number 10 can be evenly divided by 1, 2, 5, and 10. This means that these numbers are its factors. When you divide 10 by any of these factors, you get a whole number without any remainder.
1, 2, 3, 4, 5, 6, 7, 10
No 81 is (9 x 9) 100 is (10 x 10) 88 is not - at least not of a whole number Square root is 9.3808315 etc
10
48 is the lowest of all whole numbers having 10 factors.
1,2,3,6,9,18
A whole number greater than 1 that has 3 or more factors is 10.
The whole-number factors of -10 are: +1, -1, +2, -2, +5, -5, +10, and -10.
10/99 = 0.1010... (repeating)
A whole number has an odd number of unique factors if and only if it is a perfect square. The perfect squares less than 10 are 0, 1, 4, and 9. Therefore, there are four whole numbers less than 10 that have an odd number of unique factors.
The number 10 can be evenly divided by 1, 2, 5, and 10. This means that these numbers are its factors. When you divide 10 by any of these factors, you get a whole number without any remainder.
1, 2, 3, 4, 5, 6, 7, 10
1 and 20, 2 and 10, 4 and 5 are all of the pairs of factors of 20.
None. The LCM (least common multiple) is the smallest positive whole number exactly divisible by two or more whole numbers.
They are: 1, 2, 4, 5, 10 and 20