To find all the divisors of the number 2,835,852:
- 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 2,835,852:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
2,835,852 = 22 × 3 × 292 × 281
2,835,852 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) × (2 + 1) × (1 + 1) = 3 × 2 × 3 × 2 = 36
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 2,835,852
- 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
2 × 3 =
12
prime factor =
29
composite factor = 2 × 29 =
58
composite factor = 3 × 29 =
87
composite factor = 2
2 × 29 =
116
composite factor = 2 × 3 × 29 =
174
prime factor =
281
composite factor = 2
2 × 3 × 29 =
348
composite factor = 2 × 281 =
562
composite factor = 29
2 =
841
composite factor = 3 × 281 =
843
composite factor = 2
2 × 281 =
1,124
composite factor = 2 × 29
2 =
1,682
This list continues below...
... This list continues from above
composite factor = 2 × 3 × 281 =
1,686
composite factor = 3 × 29
2 =
2,523
composite factor = 2
2 × 29
2 =
3,364
composite factor = 2
2 × 3 × 281 =
3,372
composite factor = 2 × 3 × 29
2 =
5,046
composite factor = 29 × 281 =
8,149
composite factor = 2
2 × 3 × 29
2 =
10,092
composite factor = 2 × 29 × 281 =
16,298
composite factor = 3 × 29 × 281 =
24,447
composite factor = 2
2 × 29 × 281 =
32,596
composite factor = 2 × 3 × 29 × 281 =
48,894
composite factor = 2
2 × 3 × 29 × 281 =
97,788
composite factor = 29
2 × 281 =
236,321
composite factor = 2 × 29
2 × 281 =
472,642
composite factor = 3 × 29
2 × 281 =
708,963
composite factor = 2
2 × 29
2 × 281 =
945,284
composite factor = 2 × 3 × 29
2 × 281 =
1,417,926
composite factor = 2
2 × 3 × 29
2 × 281 =
2,835,852
36 factors (divisors)
What times what is 2,835,852?
What number multiplied by what number equals 2,835,852?
All the combinations of any two natural numbers whose product equals 2,835,852.
1 × 2,835,852 = 2,835,852
2 × 1,417,926 = 2,835,852
3 × 945,284 = 2,835,852
4 × 708,963 = 2,835,852
6 × 472,642 = 2,835,852
12 × 236,321 = 2,835,852
29 × 97,788 = 2,835,852
58 × 48,894 = 2,835,852
87 × 32,596 = 2,835,852
116 × 24,447 = 2,835,852
174 × 16,298 = 2,835,852
281 × 10,092 = 2,835,852
348 × 8,149 = 2,835,852
562 × 5,046 = 2,835,852
841 × 3,372 = 2,835,852
843 × 3,364 = 2,835,852
1,124 × 2,523 = 2,835,852
1,682 × 1,686 = 2,835,852
18 unique multiplications The final answer:
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