How do you find factors of a number?
Try low prime-number factors first (2,3,5,7,11..)and see if they are evenly divisible into the big number.
Even numbers are all divisible by 2.
Numbers ending in 0 or 5 are all divisible by 5.
If the only prime factors are very large, it becomes a difficult problem.
Definition: the factors are the numbers
you multiply together to get another
number. For instance,18=1x18=2x9=3x6.
Therefore, the factors of 18 are:1,2,3
,6,9,and 18. When a number is divided
by one of its' factors, there is no re-
mainder. 4 and 5 are not factors of 18
because when 18 is divided by 4 or 5
there is a remainder:18/4=4 and 2 re-
mainder. I hope this INFO will help.
Divide the number first with 2 (if it is an even number) and keep on dividing with 2 (if still even) or by 3, 5,7,11,13(and other prime numbers), till you end up with a prime number. Then all the divisors are the factors of the given number.
To find the factors of a number, you can follow these steps:
1. Start with the number itself.
2. Find all the numbers that divide evenly into the given number.
3. List these numbers as the factors.
Here is a step-by-step explanation of how to find the factors of a number, let's take the number 16 as an example:
1. Start with the number itself: 16.
2. Determine the pairs of two numbers whose product is 16. Start with 1 and 16:
- 1 × 16 = 16. So, 1 and 16 are factors.
- Next, check 2 and 8: 2 × 8 = 16. So, 2 and 8 are factors.
- Continue with 3 and 5: 3 × 5 ≠ 16. They are not factors.
- Also, before moving further, 4 is worth checking: 4 × 4 = 16. So, 4 and 4 are factors.
3. List all the factors: 1, 2, 4, 8, and 16.
Thus, the factors of 16 are 1, 2, 4, 8, and 16.