To find all the divisors of the number 373,100:
- 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 373,100:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
373,100 = 22 × 52 × 7 × 13 × 41
373,100 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) × (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 3 × 2 × 2 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 373,100
- 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
prime factor =
13
composite factor = 2 × 7 =
14
composite factor = 2
2 × 5 =
20
composite factor = 5
2 =
25
composite factor = 2 × 13 =
26
composite factor = 2
2 × 7 =
28
composite factor = 5 × 7 =
35
prime factor =
41
composite factor = 2 × 5
2 =
50
composite factor = 2
2 × 13 =
52
composite factor = 5 × 13 =
65
composite factor = 2 × 5 × 7 =
70
composite factor = 2 × 41 =
82
composite factor = 7 × 13 =
91
composite factor = 2
2 × 5
2 =
100
composite factor = 2 × 5 × 13 =
130
composite factor = 2
2 × 5 × 7 =
140
composite factor = 2
2 × 41 =
164
composite factor = 5
2 × 7 =
175
composite factor = 2 × 7 × 13 =
182
composite factor = 5 × 41 =
205
composite factor = 2
2 × 5 × 13 =
260
composite factor = 7 × 41 =
287
composite factor = 5
2 × 13 =
325
composite factor = 2 × 5
2 × 7 =
350
composite factor = 2
2 × 7 × 13 =
364
composite factor = 2 × 5 × 41 =
410
composite factor = 5 × 7 × 13 =
455
composite factor = 13 × 41 =
533
composite factor = 2 × 7 × 41 =
574
This list continues below...
... This list continues from above
composite factor = 2 × 5
2 × 13 =
650
composite factor = 2
2 × 5
2 × 7 =
700
composite factor = 2
2 × 5 × 41 =
820
composite factor = 2 × 5 × 7 × 13 =
910
composite factor = 5
2 × 41 =
1,025
composite factor = 2 × 13 × 41 =
1,066
composite factor = 2
2 × 7 × 41 =
1,148
composite factor = 2
2 × 5
2 × 13 =
1,300
composite factor = 5 × 7 × 41 =
1,435
composite factor = 2
2 × 5 × 7 × 13 =
1,820
composite factor = 2 × 5
2 × 41 =
2,050
composite factor = 2
2 × 13 × 41 =
2,132
composite factor = 5
2 × 7 × 13 =
2,275
composite factor = 5 × 13 × 41 =
2,665
composite factor = 2 × 5 × 7 × 41 =
2,870
composite factor = 7 × 13 × 41 =
3,731
composite factor = 2
2 × 5
2 × 41 =
4,100
composite factor = 2 × 5
2 × 7 × 13 =
4,550
composite factor = 2 × 5 × 13 × 41 =
5,330
composite factor = 2
2 × 5 × 7 × 41 =
5,740
composite factor = 5
2 × 7 × 41 =
7,175
composite factor = 2 × 7 × 13 × 41 =
7,462
composite factor = 2
2 × 5
2 × 7 × 13 =
9,100
composite factor = 2
2 × 5 × 13 × 41 =
10,660
composite factor = 5
2 × 13 × 41 =
13,325
composite factor = 2 × 5
2 × 7 × 41 =
14,350
composite factor = 2
2 × 7 × 13 × 41 =
14,924
composite factor = 5 × 7 × 13 × 41 =
18,655
composite factor = 2 × 5
2 × 13 × 41 =
26,650
composite factor = 2
2 × 5
2 × 7 × 41 =
28,700
composite factor = 2 × 5 × 7 × 13 × 41 =
37,310
composite factor = 2
2 × 5
2 × 13 × 41 =
53,300
composite factor = 2
2 × 5 × 7 × 13 × 41 =
74,620
composite factor = 5
2 × 7 × 13 × 41 =
93,275
composite factor = 2 × 5
2 × 7 × 13 × 41 =
186,550
composite factor = 2
2 × 5
2 × 7 × 13 × 41 =
373,100
72 factors (divisors)
What times what is 373,100?
What number multiplied by what number equals 373,100?
All the combinations of any two natural numbers whose product equals 373,100.
1 × 373,100 = 373,100
2 × 186,550 = 373,100
4 × 93,275 = 373,100
5 × 74,620 = 373,100
7 × 53,300 = 373,100
10 × 37,310 = 373,100
13 × 28,700 = 373,100
14 × 26,650 = 373,100
20 × 18,655 = 373,100
25 × 14,924 = 373,100
26 × 14,350 = 373,100
28 × 13,325 = 373,100
35 × 10,660 = 373,100
41 × 9,100 = 373,100
50 × 7,462 = 373,100
52 × 7,175 = 373,100
65 × 5,740 = 373,100
70 × 5,330 = 373,100
82 × 4,550 = 373,100
91 × 4,100 = 373,100
100 × 3,731 = 373,100
130 × 2,870 = 373,100
140 × 2,665 = 373,100
164 × 2,275 = 373,100
175 × 2,132 = 373,100
182 × 2,050 = 373,100
205 × 1,820 = 373,100
260 × 1,435 = 373,100
287 × 1,300 = 373,100
325 × 1,148 = 373,100
350 × 1,066 = 373,100
364 × 1,025 = 373,100
410 × 910 = 373,100
455 × 820 = 373,100
533 × 700 = 373,100
574 × 650 = 373,100
36 unique multiplications The final answer:
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