To find all the divisors of the number 414,200:
- 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 414,200:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
414,200 = 23 × 52 × 19 × 109
414,200 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) × (1 + 1) × (1 + 1) = 4 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 414,200
- 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 =
19
composite factor = 2
2 × 5 =
20
composite factor = 5
2 =
25
composite factor = 2 × 19 =
38
composite factor = 2
3 × 5 =
40
composite factor = 2 × 5
2 =
50
composite factor = 2
2 × 19 =
76
composite factor = 5 × 19 =
95
composite factor = 2
2 × 5
2 =
100
prime factor =
109
composite factor = 2
3 × 19 =
152
composite factor = 2 × 5 × 19 =
190
composite factor = 2
3 × 5
2 =
200
composite factor = 2 × 109 =
218
composite factor = 2
2 × 5 × 19 =
380
composite factor = 2
2 × 109 =
436
composite factor = 5
2 × 19 =
475
composite factor = 5 × 109 =
545
This list continues below...
... This list continues from above
composite factor = 2
3 × 5 × 19 =
760
composite factor = 2
3 × 109 =
872
composite factor = 2 × 5
2 × 19 =
950
composite factor = 2 × 5 × 109 =
1,090
composite factor = 2
2 × 5
2 × 19 =
1,900
composite factor = 19 × 109 =
2,071
composite factor = 2
2 × 5 × 109 =
2,180
composite factor = 5
2 × 109 =
2,725
composite factor = 2
3 × 5
2 × 19 =
3,800
composite factor = 2 × 19 × 109 =
4,142
composite factor = 2
3 × 5 × 109 =
4,360
composite factor = 2 × 5
2 × 109 =
5,450
composite factor = 2
2 × 19 × 109 =
8,284
composite factor = 5 × 19 × 109 =
10,355
composite factor = 2
2 × 5
2 × 109 =
10,900
composite factor = 2
3 × 19 × 109 =
16,568
composite factor = 2 × 5 × 19 × 109 =
20,710
composite factor = 2
3 × 5
2 × 109 =
21,800
composite factor = 2
2 × 5 × 19 × 109 =
41,420
composite factor = 5
2 × 19 × 109 =
51,775
composite factor = 2
3 × 5 × 19 × 109 =
82,840
composite factor = 2 × 5
2 × 19 × 109 =
103,550
composite factor = 2
2 × 5
2 × 19 × 109 =
207,100
composite factor = 2
3 × 5
2 × 19 × 109 =
414,200
48 factors (divisors)
What times what is 414,200?
What number multiplied by what number equals 414,200?
All the combinations of any two natural numbers whose product equals 414,200.
1 × 414,200 = 414,200
2 × 207,100 = 414,200
4 × 103,550 = 414,200
5 × 82,840 = 414,200
8 × 51,775 = 414,200
10 × 41,420 = 414,200
19 × 21,800 = 414,200
20 × 20,710 = 414,200
25 × 16,568 = 414,200
38 × 10,900 = 414,200
40 × 10,355 = 414,200
50 × 8,284 = 414,200
76 × 5,450 = 414,200
95 × 4,360 = 414,200
100 × 4,142 = 414,200
109 × 3,800 = 414,200
152 × 2,725 = 414,200
190 × 2,180 = 414,200
200 × 2,071 = 414,200
218 × 1,900 = 414,200
380 × 1,090 = 414,200
436 × 950 = 414,200
475 × 872 = 414,200
545 × 760 = 414,200
24 unique multiplications The final answer:
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