To find all the divisors of the number 276,804:
- 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 276,804:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
276,804 = 22 × 33 × 11 × 233
276,804 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) × (3 + 1) × (1 + 1) × (1 + 1) = 3 × 4 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 276,804
- 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 = 3
2 =
9
prime factor =
11
composite factor = 2
2 × 3 =
12
composite factor = 2 × 3
2 =
18
composite factor = 2 × 11 =
22
composite factor = 3
3 =
27
composite factor = 3 × 11 =
33
composite factor = 2
2 × 3
2 =
36
composite factor = 2
2 × 11 =
44
composite factor = 2 × 3
3 =
54
composite factor = 2 × 3 × 11 =
66
composite factor = 3
2 × 11 =
99
composite factor = 2
2 × 3
3 =
108
composite factor = 2
2 × 3 × 11 =
132
composite factor = 2 × 3
2 × 11 =
198
prime factor =
233
composite factor = 3
3 × 11 =
297
composite factor = 2
2 × 3
2 × 11 =
396
composite factor = 2 × 233 =
466
This list continues below...
... This list continues from above
composite factor = 2 × 3
3 × 11 =
594
composite factor = 3 × 233 =
699
composite factor = 2
2 × 233 =
932
composite factor = 2
2 × 3
3 × 11 =
1,188
composite factor = 2 × 3 × 233 =
1,398
composite factor = 3
2 × 233 =
2,097
composite factor = 11 × 233 =
2,563
composite factor = 2
2 × 3 × 233 =
2,796
composite factor = 2 × 3
2 × 233 =
4,194
composite factor = 2 × 11 × 233 =
5,126
composite factor = 3
3 × 233 =
6,291
composite factor = 3 × 11 × 233 =
7,689
composite factor = 2
2 × 3
2 × 233 =
8,388
composite factor = 2
2 × 11 × 233 =
10,252
composite factor = 2 × 3
3 × 233 =
12,582
composite factor = 2 × 3 × 11 × 233 =
15,378
composite factor = 3
2 × 11 × 233 =
23,067
composite factor = 2
2 × 3
3 × 233 =
25,164
composite factor = 2
2 × 3 × 11 × 233 =
30,756
composite factor = 2 × 3
2 × 11 × 233 =
46,134
composite factor = 3
3 × 11 × 233 =
69,201
composite factor = 2
2 × 3
2 × 11 × 233 =
92,268
composite factor = 2 × 3
3 × 11 × 233 =
138,402
composite factor = 2
2 × 3
3 × 11 × 233 =
276,804
48 factors (divisors)
What times what is 276,804?
What number multiplied by what number equals 276,804?
All the combinations of any two natural numbers whose product equals 276,804.
1 × 276,804 = 276,804
2 × 138,402 = 276,804
3 × 92,268 = 276,804
4 × 69,201 = 276,804
6 × 46,134 = 276,804
9 × 30,756 = 276,804
11 × 25,164 = 276,804
12 × 23,067 = 276,804
18 × 15,378 = 276,804
22 × 12,582 = 276,804
27 × 10,252 = 276,804
33 × 8,388 = 276,804
36 × 7,689 = 276,804
44 × 6,291 = 276,804
54 × 5,126 = 276,804
66 × 4,194 = 276,804
99 × 2,796 = 276,804
108 × 2,563 = 276,804
132 × 2,097 = 276,804
198 × 1,398 = 276,804
233 × 1,188 = 276,804
297 × 932 = 276,804
396 × 699 = 276,804
466 × 594 = 276,804
24 unique multiplications The final answer:
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