To find all the divisors of the number 1,086,804:
- 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 1,086,804:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
1,086,804 = 22 × 33 × 29 × 347
1,086,804 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) × (3 + 1) × (1 + 1) × (1 + 1) = 3 × 4 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 1,086,804
- 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
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2 × 3
2 =
18
composite factor = 3
3 =
27
prime factor =
29
composite factor = 2
2 × 3
2 =
36
composite factor = 2 × 3
3 =
54
composite factor = 2 × 29 =
58
composite factor = 3 × 29 =
87
composite factor = 2
2 × 3
3 =
108
composite factor = 2
2 × 29 =
116
composite factor = 2 × 3 × 29 =
174
composite factor = 3
2 × 29 =
261
prime factor =
347
composite factor = 2
2 × 3 × 29 =
348
composite factor = 2 × 3
2 × 29 =
522
composite factor = 2 × 347 =
694
composite factor = 3
3 × 29 =
783
composite factor = 3 × 347 =
1,041
This list continues below...
... This list continues from above
composite factor = 2
2 × 3
2 × 29 =
1,044
composite factor = 2
2 × 347 =
1,388
composite factor = 2 × 3
3 × 29 =
1,566
composite factor = 2 × 3 × 347 =
2,082
composite factor = 3
2 × 347 =
3,123
composite factor = 2
2 × 3
3 × 29 =
3,132
composite factor = 2
2 × 3 × 347 =
4,164
composite factor = 2 × 3
2 × 347 =
6,246
composite factor = 3
3 × 347 =
9,369
composite factor = 29 × 347 =
10,063
composite factor = 2
2 × 3
2 × 347 =
12,492
composite factor = 2 × 3
3 × 347 =
18,738
composite factor = 2 × 29 × 347 =
20,126
composite factor = 3 × 29 × 347 =
30,189
composite factor = 2
2 × 3
3 × 347 =
37,476
composite factor = 2
2 × 29 × 347 =
40,252
composite factor = 2 × 3 × 29 × 347 =
60,378
composite factor = 3
2 × 29 × 347 =
90,567
composite factor = 2
2 × 3 × 29 × 347 =
120,756
composite factor = 2 × 3
2 × 29 × 347 =
181,134
composite factor = 3
3 × 29 × 347 =
271,701
composite factor = 2
2 × 3
2 × 29 × 347 =
362,268
composite factor = 2 × 3
3 × 29 × 347 =
543,402
composite factor = 2
2 × 3
3 × 29 × 347 =
1,086,804
48 factors (divisors)
What times what is 1,086,804?
What number multiplied by what number equals 1,086,804?
All the combinations of any two natural numbers whose product equals 1,086,804.
1 × 1,086,804 = 1,086,804
2 × 543,402 = 1,086,804
3 × 362,268 = 1,086,804
4 × 271,701 = 1,086,804
6 × 181,134 = 1,086,804
9 × 120,756 = 1,086,804
12 × 90,567 = 1,086,804
18 × 60,378 = 1,086,804
27 × 40,252 = 1,086,804
29 × 37,476 = 1,086,804
36 × 30,189 = 1,086,804
54 × 20,126 = 1,086,804
58 × 18,738 = 1,086,804
87 × 12,492 = 1,086,804
108 × 10,063 = 1,086,804
116 × 9,369 = 1,086,804
174 × 6,246 = 1,086,804
261 × 4,164 = 1,086,804
347 × 3,132 = 1,086,804
348 × 3,123 = 1,086,804
522 × 2,082 = 1,086,804
694 × 1,566 = 1,086,804
783 × 1,388 = 1,086,804
1,041 × 1,044 = 1,086,804
24 unique multiplications The final answer:
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