To find all the divisors of the number 701,800:
- 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 701,800:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
701,800 = 23 × 52 × 112 × 29
701,800 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 = (3 + 1) × (2 + 1) × (2 + 1) × (1 + 1) = 4 × 3 × 3 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 701,800
- 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
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
prime factor =
11
composite factor = 2
2 × 5 =
20
composite factor = 2 × 11 =
22
composite factor = 5
2 =
25
prime factor =
29
composite factor = 2
3 × 5 =
40
composite factor = 2
2 × 11 =
44
composite factor = 2 × 5
2 =
50
composite factor = 5 × 11 =
55
composite factor = 2 × 29 =
58
composite factor = 2
3 × 11 =
88
composite factor = 2
2 × 5
2 =
100
composite factor = 2 × 5 × 11 =
110
composite factor = 2
2 × 29 =
116
composite factor = 11
2 =
121
composite factor = 5 × 29 =
145
composite factor = 2
3 × 5
2 =
200
composite factor = 2
2 × 5 × 11 =
220
composite factor = 2
3 × 29 =
232
composite factor = 2 × 11
2 =
242
composite factor = 5
2 × 11 =
275
composite factor = 2 × 5 × 29 =
290
composite factor = 11 × 29 =
319
composite factor = 2
3 × 5 × 11 =
440
composite factor = 2
2 × 11
2 =
484
composite factor = 2 × 5
2 × 11 =
550
composite factor = 2
2 × 5 × 29 =
580
composite factor = 5 × 11
2 =
605
composite factor = 2 × 11 × 29 =
638
composite factor = 5
2 × 29 =
725
This list continues below...
... This list continues from above
composite factor = 2
3 × 11
2 =
968
composite factor = 2
2 × 5
2 × 11 =
1,100
composite factor = 2
3 × 5 × 29 =
1,160
composite factor = 2 × 5 × 11
2 =
1,210
composite factor = 2
2 × 11 × 29 =
1,276
composite factor = 2 × 5
2 × 29 =
1,450
composite factor = 5 × 11 × 29 =
1,595
composite factor = 2
3 × 5
2 × 11 =
2,200
composite factor = 2
2 × 5 × 11
2 =
2,420
composite factor = 2
3 × 11 × 29 =
2,552
composite factor = 2
2 × 5
2 × 29 =
2,900
composite factor = 5
2 × 11
2 =
3,025
composite factor = 2 × 5 × 11 × 29 =
3,190
composite factor = 11
2 × 29 =
3,509
composite factor = 2
3 × 5 × 11
2 =
4,840
composite factor = 2
3 × 5
2 × 29 =
5,800
composite factor = 2 × 5
2 × 11
2 =
6,050
composite factor = 2
2 × 5 × 11 × 29 =
6,380
composite factor = 2 × 11
2 × 29 =
7,018
composite factor = 5
2 × 11 × 29 =
7,975
composite factor = 2
2 × 5
2 × 11
2 =
12,100
composite factor = 2
3 × 5 × 11 × 29 =
12,760
composite factor = 2
2 × 11
2 × 29 =
14,036
composite factor = 2 × 5
2 × 11 × 29 =
15,950
composite factor = 5 × 11
2 × 29 =
17,545
composite factor = 2
3 × 5
2 × 11
2 =
24,200
composite factor = 2
3 × 11
2 × 29 =
28,072
composite factor = 2
2 × 5
2 × 11 × 29 =
31,900
composite factor = 2 × 5 × 11
2 × 29 =
35,090
composite factor = 2
3 × 5
2 × 11 × 29 =
63,800
composite factor = 2
2 × 5 × 11
2 × 29 =
70,180
composite factor = 5
2 × 11
2 × 29 =
87,725
composite factor = 2
3 × 5 × 11
2 × 29 =
140,360
composite factor = 2 × 5
2 × 11
2 × 29 =
175,450
composite factor = 2
2 × 5
2 × 11
2 × 29 =
350,900
composite factor = 2
3 × 5
2 × 11
2 × 29 =
701,800
72 factors (divisors)
What times what is 701,800?
What number multiplied by what number equals 701,800?
All the combinations of any two natural numbers whose product equals 701,800.
1 × 701,800 = 701,800
2 × 350,900 = 701,800
4 × 175,450 = 701,800
5 × 140,360 = 701,800
8 × 87,725 = 701,800
10 × 70,180 = 701,800
11 × 63,800 = 701,800
20 × 35,090 = 701,800
22 × 31,900 = 701,800
25 × 28,072 = 701,800
29 × 24,200 = 701,800
40 × 17,545 = 701,800
44 × 15,950 = 701,800
50 × 14,036 = 701,800
55 × 12,760 = 701,800
58 × 12,100 = 701,800
88 × 7,975 = 701,800
100 × 7,018 = 701,800
110 × 6,380 = 701,800
116 × 6,050 = 701,800
121 × 5,800 = 701,800
145 × 4,840 = 701,800
200 × 3,509 = 701,800
220 × 3,190 = 701,800
232 × 3,025 = 701,800
242 × 2,900 = 701,800
275 × 2,552 = 701,800
290 × 2,420 = 701,800
319 × 2,200 = 701,800
440 × 1,595 = 701,800
484 × 1,450 = 701,800
550 × 1,276 = 701,800
580 × 1,210 = 701,800
605 × 1,160 = 701,800
638 × 1,100 = 701,800
725 × 968 = 701,800
36 unique multiplications The final answer:
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