To find all the divisors of the number 1,036,490:
- 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 1,036,490:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
1,036,490 = 2 × 5 × 7 × 13 × 17 × 67
1,036,490 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 = (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 2 × 2 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 1,036,490
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- 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 =
5
prime factor =
7
composite factor = 2 × 5 =
10
prime factor =
13
composite factor = 2 × 7 =
14
prime factor =
17
composite factor = 2 × 13 =
26
composite factor = 2 × 17 =
34
composite factor = 5 × 7 =
35
composite factor = 5 × 13 =
65
prime factor =
67
composite factor = 2 × 5 × 7 =
70
composite factor = 5 × 17 =
85
composite factor = 7 × 13 =
91
composite factor = 7 × 17 =
119
composite factor = 2 × 5 × 13 =
130
composite factor = 2 × 67 =
134
composite factor = 2 × 5 × 17 =
170
composite factor = 2 × 7 × 13 =
182
composite factor = 13 × 17 =
221
composite factor = 2 × 7 × 17 =
238
composite factor = 5 × 67 =
335
composite factor = 2 × 13 × 17 =
442
composite factor = 5 × 7 × 13 =
455
composite factor = 7 × 67 =
469
composite factor = 5 × 7 × 17 =
595
composite factor = 2 × 5 × 67 =
670
composite factor = 13 × 67 =
871
composite factor = 2 × 5 × 7 × 13 =
910
composite factor = 2 × 7 × 67 =
938
This list continues below...
... This list continues from above
composite factor = 5 × 13 × 17 =
1,105
composite factor = 17 × 67 =
1,139
composite factor = 2 × 5 × 7 × 17 =
1,190
composite factor = 7 × 13 × 17 =
1,547
composite factor = 2 × 13 × 67 =
1,742
composite factor = 2 × 5 × 13 × 17 =
2,210
composite factor = 2 × 17 × 67 =
2,278
composite factor = 5 × 7 × 67 =
2,345
composite factor = 2 × 7 × 13 × 17 =
3,094
composite factor = 5 × 13 × 67 =
4,355
composite factor = 2 × 5 × 7 × 67 =
4,690
composite factor = 5 × 17 × 67 =
5,695
composite factor = 7 × 13 × 67 =
6,097
composite factor = 5 × 7 × 13 × 17 =
7,735
composite factor = 7 × 17 × 67 =
7,973
composite factor = 2 × 5 × 13 × 67 =
8,710
composite factor = 2 × 5 × 17 × 67 =
11,390
composite factor = 2 × 7 × 13 × 67 =
12,194
composite factor = 13 × 17 × 67 =
14,807
composite factor = 2 × 5 × 7 × 13 × 17 =
15,470
composite factor = 2 × 7 × 17 × 67 =
15,946
composite factor = 2 × 13 × 17 × 67 =
29,614
composite factor = 5 × 7 × 13 × 67 =
30,485
composite factor = 5 × 7 × 17 × 67 =
39,865
composite factor = 2 × 5 × 7 × 13 × 67 =
60,970
composite factor = 5 × 13 × 17 × 67 =
74,035
composite factor = 2 × 5 × 7 × 17 × 67 =
79,730
composite factor = 7 × 13 × 17 × 67 =
103,649
composite factor = 2 × 5 × 13 × 17 × 67 =
148,070
composite factor = 2 × 7 × 13 × 17 × 67 =
207,298
composite factor = 5 × 7 × 13 × 17 × 67 =
518,245
composite factor = 2 × 5 × 7 × 13 × 17 × 67 =
1,036,490
64 factors (divisors)
What times what is 1,036,490?
What number multiplied by what number equals 1,036,490?
All the combinations of any two natural numbers whose product equals 1,036,490.
1 × 1,036,490 = 1,036,490
2 × 518,245 = 1,036,490
5 × 207,298 = 1,036,490
7 × 148,070 = 1,036,490
10 × 103,649 = 1,036,490
13 × 79,730 = 1,036,490
14 × 74,035 = 1,036,490
17 × 60,970 = 1,036,490
26 × 39,865 = 1,036,490
34 × 30,485 = 1,036,490
35 × 29,614 = 1,036,490
65 × 15,946 = 1,036,490
67 × 15,470 = 1,036,490
70 × 14,807 = 1,036,490
85 × 12,194 = 1,036,490
91 × 11,390 = 1,036,490
119 × 8,710 = 1,036,490
130 × 7,973 = 1,036,490
134 × 7,735 = 1,036,490
170 × 6,097 = 1,036,490
182 × 5,695 = 1,036,490
221 × 4,690 = 1,036,490
238 × 4,355 = 1,036,490
335 × 3,094 = 1,036,490
442 × 2,345 = 1,036,490
455 × 2,278 = 1,036,490
469 × 2,210 = 1,036,490
595 × 1,742 = 1,036,490
670 × 1,547 = 1,036,490
871 × 1,190 = 1,036,490
910 × 1,139 = 1,036,490
938 × 1,105 = 1,036,490
32 unique multiplications The final answer:
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