To find all the divisors of the number 34,952,780:
- 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 34,952,780:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
34,952,780 = 22 × 5 × 19 × 59 × 1,559
34,952,780 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) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 34,952,780
- 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 × 5 =
10
prime factor =
19
composite factor = 2
2 × 5 =
20
composite factor = 2 × 19 =
38
prime factor =
59
composite factor = 2
2 × 19 =
76
composite factor = 5 × 19 =
95
composite factor = 2 × 59 =
118
composite factor = 2 × 5 × 19 =
190
composite factor = 2
2 × 59 =
236
composite factor = 5 × 59 =
295
composite factor = 2
2 × 5 × 19 =
380
composite factor = 2 × 5 × 59 =
590
composite factor = 19 × 59 =
1,121
composite factor = 2
2 × 5 × 59 =
1,180
prime factor =
1,559
composite factor = 2 × 19 × 59 =
2,242
composite factor = 2 × 1,559 =
3,118
composite factor = 2
2 × 19 × 59 =
4,484
composite factor = 5 × 19 × 59 =
5,605
This list continues below...
... This list continues from above
composite factor = 2
2 × 1,559 =
6,236
composite factor = 5 × 1,559 =
7,795
composite factor = 2 × 5 × 19 × 59 =
11,210
composite factor = 2 × 5 × 1,559 =
15,590
composite factor = 2
2 × 5 × 19 × 59 =
22,420
composite factor = 19 × 1,559 =
29,621
composite factor = 2
2 × 5 × 1,559 =
31,180
composite factor = 2 × 19 × 1,559 =
59,242
composite factor = 59 × 1,559 =
91,981
composite factor = 2
2 × 19 × 1,559 =
118,484
composite factor = 5 × 19 × 1,559 =
148,105
composite factor = 2 × 59 × 1,559 =
183,962
composite factor = 2 × 5 × 19 × 1,559 =
296,210
composite factor = 2
2 × 59 × 1,559 =
367,924
composite factor = 5 × 59 × 1,559 =
459,905
composite factor = 2
2 × 5 × 19 × 1,559 =
592,420
composite factor = 2 × 5 × 59 × 1,559 =
919,810
composite factor = 19 × 59 × 1,559 =
1,747,639
composite factor = 2
2 × 5 × 59 × 1,559 =
1,839,620
composite factor = 2 × 19 × 59 × 1,559 =
3,495,278
composite factor = 2
2 × 19 × 59 × 1,559 =
6,990,556
composite factor = 5 × 19 × 59 × 1,559 =
8,738,195
composite factor = 2 × 5 × 19 × 59 × 1,559 =
17,476,390
composite factor = 2
2 × 5 × 19 × 59 × 1,559 =
34,952,780
48 factors (divisors)
What times what is 34,952,780?
What number multiplied by what number equals 34,952,780?
All the combinations of any two natural numbers whose product equals 34,952,780.
1 × 34,952,780 = 34,952,780
2 × 17,476,390 = 34,952,780
4 × 8,738,195 = 34,952,780
5 × 6,990,556 = 34,952,780
10 × 3,495,278 = 34,952,780
19 × 1,839,620 = 34,952,780
20 × 1,747,639 = 34,952,780
38 × 919,810 = 34,952,780
59 × 592,420 = 34,952,780
76 × 459,905 = 34,952,780
95 × 367,924 = 34,952,780
118 × 296,210 = 34,952,780
190 × 183,962 = 34,952,780
236 × 148,105 = 34,952,780
295 × 118,484 = 34,952,780
380 × 91,981 = 34,952,780
590 × 59,242 = 34,952,780
1,121 × 31,180 = 34,952,780
1,180 × 29,621 = 34,952,780
1,559 × 22,420 = 34,952,780
2,242 × 15,590 = 34,952,780
3,118 × 11,210 = 34,952,780
4,484 × 7,795 = 34,952,780
5,605 × 6,236 = 34,952,780
24 unique multiplications The final answer:
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