To find all the divisors of the number 225,852:
- 1. Decompose the number into prime factors.
- See how you can find out how many factors (divisors) the number has, without actually calculating them.
- 2. Multiply the prime factors in all their unique combinations, that yield different results.
1. Carry out the prime factorization of the number 225,852:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
225,852 = 22 × 3 × 11 × 29 × 59
225,852 is not a prime number but a composite one.
- Prime number: a natural number that is divisible (divided evenly) only by 1 and itself. A prime number has exactly two factors: 1 and the number itself.
- Examples of prime numbers: 2 (factors 1, 2), 3 (factors 1, 3), 5 (factors 1, 5), 7 (factors 1, 7), 11 (factors 1, 11), 13 (factors 1, 13), ...
- Composite number: a natural number that has at least one factor other than 1 and itself. So it is neither a prime number nor 1.
- Examples of composite numbers: 4 (it has 3 factors: 1, 2, 4), 6 (it has 4 factors: 1, 2, 3, 6), 8 (it has 4 factors: 1, 2, 4, 8), 9 (it has 3 factors: 1, 3, 9), 10 (it has 4 factors: 1, 2, 5, 10), 12 (it has 6 factors: 1, 2, 3, 4, 6, 12), ...
How to count the number of factors of a number?
Without actually finding the factors
- If a number N is prime factorized as:
N = am × bk × cz
where a, b, c are the prime factors and m, k, z are their exponents, natural numbers, .... - ...
- Then the number of factors of the number N can be calculated as:
n = (m + 1) × (k + 1) × (z + 1) - ...
- In our case, the number of factors is calculated as:
- n = (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 225,852
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- Also consider the exponents of these prime factors.
- Also add 1 to the list of factors (divisors). All the numbers are divisible by 1.
All the factors (divisors) are listed below - in ascending order
The list of factors (divisors):
Numbers other than 1 that are not prime factors are composite factors (divisors).
neither prime nor composite =
1
prime factor =
2
prime factor =
3
composite factor = 2
2 =
4
composite factor = 2 × 3 =
6
prime factor =
11
composite factor = 2
2 × 3 =
12
composite factor = 2 × 11 =
22
prime factor =
29
composite factor = 3 × 11 =
33
composite factor = 2
2 × 11 =
44
composite factor = 2 × 29 =
58
prime factor =
59
composite factor = 2 × 3 × 11 =
66
composite factor = 3 × 29 =
87
composite factor = 2
2 × 29 =
116
composite factor = 2 × 59 =
118
composite factor = 2
2 × 3 × 11 =
132
composite factor = 2 × 3 × 29 =
174
composite factor = 3 × 59 =
177
composite factor = 2
2 × 59 =
236
composite factor = 11 × 29 =
319
composite factor = 2
2 × 3 × 29 =
348
composite factor = 2 × 3 × 59 =
354
This list continues below...
... This list continues from above
composite factor = 2 × 11 × 29 =
638
composite factor = 11 × 59 =
649
composite factor = 2
2 × 3 × 59 =
708
composite factor = 3 × 11 × 29 =
957
composite factor = 2
2 × 11 × 29 =
1,276
composite factor = 2 × 11 × 59 =
1,298
composite factor = 29 × 59 =
1,711
composite factor = 2 × 3 × 11 × 29 =
1,914
composite factor = 3 × 11 × 59 =
1,947
composite factor = 2
2 × 11 × 59 =
2,596
composite factor = 2 × 29 × 59 =
3,422
composite factor = 2
2 × 3 × 11 × 29 =
3,828
composite factor = 2 × 3 × 11 × 59 =
3,894
composite factor = 3 × 29 × 59 =
5,133
composite factor = 2
2 × 29 × 59 =
6,844
composite factor = 2
2 × 3 × 11 × 59 =
7,788
composite factor = 2 × 3 × 29 × 59 =
10,266
composite factor = 11 × 29 × 59 =
18,821
composite factor = 2
2 × 3 × 29 × 59 =
20,532
composite factor = 2 × 11 × 29 × 59 =
37,642
composite factor = 3 × 11 × 29 × 59 =
56,463
composite factor = 2
2 × 11 × 29 × 59 =
75,284
composite factor = 2 × 3 × 11 × 29 × 59 =
112,926
composite factor = 2
2 × 3 × 11 × 29 × 59 =
225,852
48 factors (divisors)
What times what is 225,852?
What number multiplied by what number equals 225,852?
All the combinations of any two natural numbers whose product equals 225,852.
1 × 225,852 = 225,852
2 × 112,926 = 225,852
3 × 75,284 = 225,852
4 × 56,463 = 225,852
6 × 37,642 = 225,852
11 × 20,532 = 225,852
12 × 18,821 = 225,852
22 × 10,266 = 225,852
29 × 7,788 = 225,852
33 × 6,844 = 225,852
44 × 5,133 = 225,852
58 × 3,894 = 225,852
59 × 3,828 = 225,852
66 × 3,422 = 225,852
87 × 2,596 = 225,852
116 × 1,947 = 225,852
118 × 1,914 = 225,852
132 × 1,711 = 225,852
174 × 1,298 = 225,852
177 × 1,276 = 225,852
236 × 957 = 225,852
319 × 708 = 225,852
348 × 649 = 225,852
354 × 638 = 225,852
24 unique multiplications The final answer:
(scroll down)