To find all the divisors of the number 700,910:
- 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 700,910:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
700,910 = 2 × 5 × 7 × 17 × 19 × 31
700,910 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 700,910
- 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
composite factor = 2 × 7 =
14
prime factor =
17
prime factor =
19
prime factor =
31
composite factor = 2 × 17 =
34
composite factor = 5 × 7 =
35
composite factor = 2 × 19 =
38
composite factor = 2 × 31 =
62
composite factor = 2 × 5 × 7 =
70
composite factor = 5 × 17 =
85
composite factor = 5 × 19 =
95
composite factor = 7 × 17 =
119
composite factor = 7 × 19 =
133
composite factor = 5 × 31 =
155
composite factor = 2 × 5 × 17 =
170
composite factor = 2 × 5 × 19 =
190
composite factor = 7 × 31 =
217
composite factor = 2 × 7 × 17 =
238
composite factor = 2 × 7 × 19 =
266
composite factor = 2 × 5 × 31 =
310
composite factor = 17 × 19 =
323
composite factor = 2 × 7 × 31 =
434
composite factor = 17 × 31 =
527
composite factor = 19 × 31 =
589
composite factor = 5 × 7 × 17 =
595
composite factor = 2 × 17 × 19 =
646
composite factor = 5 × 7 × 19 =
665
This list continues below...
... This list continues from above
composite factor = 2 × 17 × 31 =
1,054
composite factor = 5 × 7 × 31 =
1,085
composite factor = 2 × 19 × 31 =
1,178
composite factor = 2 × 5 × 7 × 17 =
1,190
composite factor = 2 × 5 × 7 × 19 =
1,330
composite factor = 5 × 17 × 19 =
1,615
composite factor = 2 × 5 × 7 × 31 =
2,170
composite factor = 7 × 17 × 19 =
2,261
composite factor = 5 × 17 × 31 =
2,635
composite factor = 5 × 19 × 31 =
2,945
composite factor = 2 × 5 × 17 × 19 =
3,230
composite factor = 7 × 17 × 31 =
3,689
composite factor = 7 × 19 × 31 =
4,123
composite factor = 2 × 7 × 17 × 19 =
4,522
composite factor = 2 × 5 × 17 × 31 =
5,270
composite factor = 2 × 5 × 19 × 31 =
5,890
composite factor = 2 × 7 × 17 × 31 =
7,378
composite factor = 2 × 7 × 19 × 31 =
8,246
composite factor = 17 × 19 × 31 =
10,013
composite factor = 5 × 7 × 17 × 19 =
11,305
composite factor = 5 × 7 × 17 × 31 =
18,445
composite factor = 2 × 17 × 19 × 31 =
20,026
composite factor = 5 × 7 × 19 × 31 =
20,615
composite factor = 2 × 5 × 7 × 17 × 19 =
22,610
composite factor = 2 × 5 × 7 × 17 × 31 =
36,890
composite factor = 2 × 5 × 7 × 19 × 31 =
41,230
composite factor = 5 × 17 × 19 × 31 =
50,065
composite factor = 7 × 17 × 19 × 31 =
70,091
composite factor = 2 × 5 × 17 × 19 × 31 =
100,130
composite factor = 2 × 7 × 17 × 19 × 31 =
140,182
composite factor = 5 × 7 × 17 × 19 × 31 =
350,455
composite factor = 2 × 5 × 7 × 17 × 19 × 31 =
700,910
64 factors (divisors)
What times what is 700,910?
What number multiplied by what number equals 700,910?
All the combinations of any two natural numbers whose product equals 700,910.
1 × 700,910 = 700,910
2 × 350,455 = 700,910
5 × 140,182 = 700,910
7 × 100,130 = 700,910
10 × 70,091 = 700,910
14 × 50,065 = 700,910
17 × 41,230 = 700,910
19 × 36,890 = 700,910
31 × 22,610 = 700,910
34 × 20,615 = 700,910
35 × 20,026 = 700,910
38 × 18,445 = 700,910
62 × 11,305 = 700,910
70 × 10,013 = 700,910
85 × 8,246 = 700,910
95 × 7,378 = 700,910
119 × 5,890 = 700,910
133 × 5,270 = 700,910
155 × 4,522 = 700,910
170 × 4,123 = 700,910
190 × 3,689 = 700,910
217 × 3,230 = 700,910
238 × 2,945 = 700,910
266 × 2,635 = 700,910
310 × 2,261 = 700,910
323 × 2,170 = 700,910
434 × 1,615 = 700,910
527 × 1,330 = 700,910
589 × 1,190 = 700,910
595 × 1,178 = 700,910
646 × 1,085 = 700,910
665 × 1,054 = 700,910
32 unique multiplications The final answer:
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