To find all the divisors of the number 1,059,380:
- 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 1,059,380:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
1,059,380 = 22 × 5 × 72 × 23 × 47
1,059,380 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) × (2 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 3 × 2 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 1,059,380
- 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
composite factor = 2
2 =
4
prime factor =
5
prime factor =
7
composite factor = 2 × 5 =
10
composite factor = 2 × 7 =
14
composite factor = 2
2 × 5 =
20
prime factor =
23
composite factor = 2
2 × 7 =
28
composite factor = 5 × 7 =
35
composite factor = 2 × 23 =
46
prime factor =
47
composite factor = 7
2 =
49
composite factor = 2 × 5 × 7 =
70
composite factor = 2
2 × 23 =
92
composite factor = 2 × 47 =
94
composite factor = 2 × 7
2 =
98
composite factor = 5 × 23 =
115
composite factor = 2
2 × 5 × 7 =
140
composite factor = 7 × 23 =
161
composite factor = 2
2 × 47 =
188
composite factor = 2
2 × 7
2 =
196
composite factor = 2 × 5 × 23 =
230
composite factor = 5 × 47 =
235
composite factor = 5 × 7
2 =
245
composite factor = 2 × 7 × 23 =
322
composite factor = 7 × 47 =
329
composite factor = 2
2 × 5 × 23 =
460
composite factor = 2 × 5 × 47 =
470
composite factor = 2 × 5 × 7
2 =
490
composite factor = 2
2 × 7 × 23 =
644
composite factor = 2 × 7 × 47 =
658
composite factor = 5 × 7 × 23 =
805
composite factor = 2
2 × 5 × 47 =
940
composite factor = 2
2 × 5 × 7
2 =
980
This list continues below...
... This list continues from above
composite factor = 23 × 47 =
1,081
composite factor = 7
2 × 23 =
1,127
composite factor = 2
2 × 7 × 47 =
1,316
composite factor = 2 × 5 × 7 × 23 =
1,610
composite factor = 5 × 7 × 47 =
1,645
composite factor = 2 × 23 × 47 =
2,162
composite factor = 2 × 7
2 × 23 =
2,254
composite factor = 7
2 × 47 =
2,303
composite factor = 2
2 × 5 × 7 × 23 =
3,220
composite factor = 2 × 5 × 7 × 47 =
3,290
composite factor = 2
2 × 23 × 47 =
4,324
composite factor = 2
2 × 7
2 × 23 =
4,508
composite factor = 2 × 7
2 × 47 =
4,606
composite factor = 5 × 23 × 47 =
5,405
composite factor = 5 × 7
2 × 23 =
5,635
composite factor = 2
2 × 5 × 7 × 47 =
6,580
composite factor = 7 × 23 × 47 =
7,567
composite factor = 2
2 × 7
2 × 47 =
9,212
composite factor = 2 × 5 × 23 × 47 =
10,810
composite factor = 2 × 5 × 7
2 × 23 =
11,270
composite factor = 5 × 7
2 × 47 =
11,515
composite factor = 2 × 7 × 23 × 47 =
15,134
composite factor = 2
2 × 5 × 23 × 47 =
21,620
composite factor = 2
2 × 5 × 7
2 × 23 =
22,540
composite factor = 2 × 5 × 7
2 × 47 =
23,030
composite factor = 2
2 × 7 × 23 × 47 =
30,268
composite factor = 5 × 7 × 23 × 47 =
37,835
composite factor = 2
2 × 5 × 7
2 × 47 =
46,060
composite factor = 7
2 × 23 × 47 =
52,969
composite factor = 2 × 5 × 7 × 23 × 47 =
75,670
composite factor = 2 × 7
2 × 23 × 47 =
105,938
composite factor = 2
2 × 5 × 7 × 23 × 47 =
151,340
composite factor = 2
2 × 7
2 × 23 × 47 =
211,876
composite factor = 5 × 7
2 × 23 × 47 =
264,845
composite factor = 2 × 5 × 7
2 × 23 × 47 =
529,690
composite factor = 2
2 × 5 × 7
2 × 23 × 47 =
1,059,380
72 factors (divisors)
What times what is 1,059,380?
What number multiplied by what number equals 1,059,380?
All the combinations of any two natural numbers whose product equals 1,059,380.
1 × 1,059,380 = 1,059,380
2 × 529,690 = 1,059,380
4 × 264,845 = 1,059,380
5 × 211,876 = 1,059,380
7 × 151,340 = 1,059,380
10 × 105,938 = 1,059,380
14 × 75,670 = 1,059,380
20 × 52,969 = 1,059,380
23 × 46,060 = 1,059,380
28 × 37,835 = 1,059,380
35 × 30,268 = 1,059,380
46 × 23,030 = 1,059,380
47 × 22,540 = 1,059,380
49 × 21,620 = 1,059,380
70 × 15,134 = 1,059,380
92 × 11,515 = 1,059,380
94 × 11,270 = 1,059,380
98 × 10,810 = 1,059,380
115 × 9,212 = 1,059,380
140 × 7,567 = 1,059,380
161 × 6,580 = 1,059,380
188 × 5,635 = 1,059,380
196 × 5,405 = 1,059,380
230 × 4,606 = 1,059,380
235 × 4,508 = 1,059,380
245 × 4,324 = 1,059,380
322 × 3,290 = 1,059,380
329 × 3,220 = 1,059,380
460 × 2,303 = 1,059,380
470 × 2,254 = 1,059,380
490 × 2,162 = 1,059,380
644 × 1,645 = 1,059,380
658 × 1,610 = 1,059,380
805 × 1,316 = 1,059,380
940 × 1,127 = 1,059,380
980 × 1,081 = 1,059,380
36 unique multiplications The final answer:
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