To find all the divisors of the number 3,441,270:
- 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 3,441,270:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
3,441,270 = 2 × 3 × 5 × 72 × 2,341
3,441,270 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 = (1 + 1) × (1 + 1) × (1 + 1) × (2 + 1) × (1 + 1) = 2 × 2 × 2 × 3 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 3,441,270
- 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
prime factor =
5
composite factor = 2 × 3 =
6
prime factor =
7
composite factor = 2 × 5 =
10
composite factor = 2 × 7 =
14
composite factor = 3 × 5 =
15
composite factor = 3 × 7 =
21
composite factor = 2 × 3 × 5 =
30
composite factor = 5 × 7 =
35
composite factor = 2 × 3 × 7 =
42
composite factor = 7
2 =
49
composite factor = 2 × 5 × 7 =
70
composite factor = 2 × 7
2 =
98
composite factor = 3 × 5 × 7 =
105
composite factor = 3 × 7
2 =
147
composite factor = 2 × 3 × 5 × 7 =
210
composite factor = 5 × 7
2 =
245
composite factor = 2 × 3 × 7
2 =
294
composite factor = 2 × 5 × 7
2 =
490
composite factor = 3 × 5 × 7
2 =
735
composite factor = 2 × 3 × 5 × 7
2 =
1,470
This list continues below...
... This list continues from above
prime factor =
2,341
composite factor = 2 × 2,341 =
4,682
composite factor = 3 × 2,341 =
7,023
composite factor = 5 × 2,341 =
11,705
composite factor = 2 × 3 × 2,341 =
14,046
composite factor = 7 × 2,341 =
16,387
composite factor = 2 × 5 × 2,341 =
23,410
composite factor = 2 × 7 × 2,341 =
32,774
composite factor = 3 × 5 × 2,341 =
35,115
composite factor = 3 × 7 × 2,341 =
49,161
composite factor = 2 × 3 × 5 × 2,341 =
70,230
composite factor = 5 × 7 × 2,341 =
81,935
composite factor = 2 × 3 × 7 × 2,341 =
98,322
composite factor = 7
2 × 2,341 =
114,709
composite factor = 2 × 5 × 7 × 2,341 =
163,870
composite factor = 2 × 7
2 × 2,341 =
229,418
composite factor = 3 × 5 × 7 × 2,341 =
245,805
composite factor = 3 × 7
2 × 2,341 =
344,127
composite factor = 2 × 3 × 5 × 7 × 2,341 =
491,610
composite factor = 5 × 7
2 × 2,341 =
573,545
composite factor = 2 × 3 × 7
2 × 2,341 =
688,254
composite factor = 2 × 5 × 7
2 × 2,341 =
1,147,090
composite factor = 3 × 5 × 7
2 × 2,341 =
1,720,635
composite factor = 2 × 3 × 5 × 7
2 × 2,341 =
3,441,270
48 factors (divisors)
What times what is 3,441,270?
What number multiplied by what number equals 3,441,270?
All the combinations of any two natural numbers whose product equals 3,441,270.
1 × 3,441,270 = 3,441,270
2 × 1,720,635 = 3,441,270
3 × 1,147,090 = 3,441,270
5 × 688,254 = 3,441,270
6 × 573,545 = 3,441,270
7 × 491,610 = 3,441,270
10 × 344,127 = 3,441,270
14 × 245,805 = 3,441,270
15 × 229,418 = 3,441,270
21 × 163,870 = 3,441,270
30 × 114,709 = 3,441,270
35 × 98,322 = 3,441,270
42 × 81,935 = 3,441,270
49 × 70,230 = 3,441,270
70 × 49,161 = 3,441,270
98 × 35,115 = 3,441,270
105 × 32,774 = 3,441,270
147 × 23,410 = 3,441,270
210 × 16,387 = 3,441,270
245 × 14,046 = 3,441,270
294 × 11,705 = 3,441,270
490 × 7,023 = 3,441,270
735 × 4,682 = 3,441,270
1,470 × 2,341 = 3,441,270
24 unique multiplications The final answer:
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