To find all the divisors of the number 341,784:
- 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 341,784:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
341,784 = 23 × 32 × 47 × 101
341,784 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 341,784
- 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
prime factor =
3
composite factor = 2
2 =
4
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2 × 3
2 =
18
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 3
2 =
36
prime factor =
47
composite factor = 2
3 × 3
2 =
72
composite factor = 2 × 47 =
94
prime factor =
101
composite factor = 3 × 47 =
141
composite factor = 2
2 × 47 =
188
composite factor = 2 × 101 =
202
composite factor = 2 × 3 × 47 =
282
composite factor = 3 × 101 =
303
composite factor = 2
3 × 47 =
376
composite factor = 2
2 × 101 =
404
composite factor = 3
2 × 47 =
423
composite factor = 2
2 × 3 × 47 =
564
This list continues below...
... This list continues from above
composite factor = 2 × 3 × 101 =
606
composite factor = 2
3 × 101 =
808
composite factor = 2 × 3
2 × 47 =
846
composite factor = 3
2 × 101 =
909
composite factor = 2
3 × 3 × 47 =
1,128
composite factor = 2
2 × 3 × 101 =
1,212
composite factor = 2
2 × 3
2 × 47 =
1,692
composite factor = 2 × 3
2 × 101 =
1,818
composite factor = 2
3 × 3 × 101 =
2,424
composite factor = 2
3 × 3
2 × 47 =
3,384
composite factor = 2
2 × 3
2 × 101 =
3,636
composite factor = 47 × 101 =
4,747
composite factor = 2
3 × 3
2 × 101 =
7,272
composite factor = 2 × 47 × 101 =
9,494
composite factor = 3 × 47 × 101 =
14,241
composite factor = 2
2 × 47 × 101 =
18,988
composite factor = 2 × 3 × 47 × 101 =
28,482
composite factor = 2
3 × 47 × 101 =
37,976
composite factor = 3
2 × 47 × 101 =
42,723
composite factor = 2
2 × 3 × 47 × 101 =
56,964
composite factor = 2 × 3
2 × 47 × 101 =
85,446
composite factor = 2
3 × 3 × 47 × 101 =
113,928
composite factor = 2
2 × 3
2 × 47 × 101 =
170,892
composite factor = 2
3 × 3
2 × 47 × 101 =
341,784
48 factors (divisors)
What times what is 341,784?
What number multiplied by what number equals 341,784?
All the combinations of any two natural numbers whose product equals 341,784.
1 × 341,784 = 341,784
2 × 170,892 = 341,784
3 × 113,928 = 341,784
4 × 85,446 = 341,784
6 × 56,964 = 341,784
8 × 42,723 = 341,784
9 × 37,976 = 341,784
12 × 28,482 = 341,784
18 × 18,988 = 341,784
24 × 14,241 = 341,784
36 × 9,494 = 341,784
47 × 7,272 = 341,784
72 × 4,747 = 341,784
94 × 3,636 = 341,784
101 × 3,384 = 341,784
141 × 2,424 = 341,784
188 × 1,818 = 341,784
202 × 1,692 = 341,784
282 × 1,212 = 341,784
303 × 1,128 = 341,784
376 × 909 = 341,784
404 × 846 = 341,784
423 × 808 = 341,784
564 × 606 = 341,784
24 unique multiplications The final answer:
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