To find all the divisors of the number 344,040:
- 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 344,040:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
344,040 = 23 × 3 × 5 × 47 × 61
344,040 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) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 344,040
- 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
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
composite factor = 2
2 × 5 =
20
composite factor = 2
3 × 3 =
24
composite factor = 2 × 3 × 5 =
30
composite factor = 2
3 × 5 =
40
prime factor =
47
composite factor = 2
2 × 3 × 5 =
60
prime factor =
61
composite factor = 2 × 47 =
94
composite factor = 2
3 × 3 × 5 =
120
composite factor = 2 × 61 =
122
composite factor = 3 × 47 =
141
composite factor = 3 × 61 =
183
composite factor = 2
2 × 47 =
188
composite factor = 5 × 47 =
235
composite factor = 2
2 × 61 =
244
composite factor = 2 × 3 × 47 =
282
composite factor = 5 × 61 =
305
composite factor = 2 × 3 × 61 =
366
composite factor = 2
3 × 47 =
376
composite factor = 2 × 5 × 47 =
470
composite factor = 2
3 × 61 =
488
composite factor = 2
2 × 3 × 47 =
564
This list continues below...
... This list continues from above
composite factor = 2 × 5 × 61 =
610
composite factor = 3 × 5 × 47 =
705
composite factor = 2
2 × 3 × 61 =
732
composite factor = 3 × 5 × 61 =
915
composite factor = 2
2 × 5 × 47 =
940
composite factor = 2
3 × 3 × 47 =
1,128
composite factor = 2
2 × 5 × 61 =
1,220
composite factor = 2 × 3 × 5 × 47 =
1,410
composite factor = 2
3 × 3 × 61 =
1,464
composite factor = 2 × 3 × 5 × 61 =
1,830
composite factor = 2
3 × 5 × 47 =
1,880
composite factor = 2
3 × 5 × 61 =
2,440
composite factor = 2
2 × 3 × 5 × 47 =
2,820
composite factor = 47 × 61 =
2,867
composite factor = 2
2 × 3 × 5 × 61 =
3,660
composite factor = 2
3 × 3 × 5 × 47 =
5,640
composite factor = 2 × 47 × 61 =
5,734
composite factor = 2
3 × 3 × 5 × 61 =
7,320
composite factor = 3 × 47 × 61 =
8,601
composite factor = 2
2 × 47 × 61 =
11,468
composite factor = 5 × 47 × 61 =
14,335
composite factor = 2 × 3 × 47 × 61 =
17,202
composite factor = 2
3 × 47 × 61 =
22,936
composite factor = 2 × 5 × 47 × 61 =
28,670
composite factor = 2
2 × 3 × 47 × 61 =
34,404
composite factor = 3 × 5 × 47 × 61 =
43,005
composite factor = 2
2 × 5 × 47 × 61 =
57,340
composite factor = 2
3 × 3 × 47 × 61 =
68,808
composite factor = 2 × 3 × 5 × 47 × 61 =
86,010
composite factor = 2
3 × 5 × 47 × 61 =
114,680
composite factor = 2
2 × 3 × 5 × 47 × 61 =
172,020
composite factor = 2
3 × 3 × 5 × 47 × 61 =
344,040
64 factors (divisors)
What times what is 344,040?
What number multiplied by what number equals 344,040?
All the combinations of any two natural numbers whose product equals 344,040.
1 × 344,040 = 344,040
2 × 172,020 = 344,040
3 × 114,680 = 344,040
4 × 86,010 = 344,040
5 × 68,808 = 344,040
6 × 57,340 = 344,040
8 × 43,005 = 344,040
10 × 34,404 = 344,040
12 × 28,670 = 344,040
15 × 22,936 = 344,040
20 × 17,202 = 344,040
24 × 14,335 = 344,040
30 × 11,468 = 344,040
40 × 8,601 = 344,040
47 × 7,320 = 344,040
60 × 5,734 = 344,040
61 × 5,640 = 344,040
94 × 3,660 = 344,040
120 × 2,867 = 344,040
122 × 2,820 = 344,040
141 × 2,440 = 344,040
183 × 1,880 = 344,040
188 × 1,830 = 344,040
235 × 1,464 = 344,040
244 × 1,410 = 344,040
282 × 1,220 = 344,040
305 × 1,128 = 344,040
366 × 940 = 344,040
376 × 915 = 344,040
470 × 732 = 344,040
488 × 705 = 344,040
564 × 610 = 344,040
32 unique multiplications The final answer:
(scroll down)