To find all the divisors of the number 332,100:
- 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 332,100:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
332,100 = 22 × 34 × 52 × 41
332,100 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) × (4 + 1) × (2 + 1) × (1 + 1) = 3 × 5 × 3 × 2 = 90
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 332,100
- 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 = 3
2 =
9
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
composite factor = 2 × 3
2 =
18
composite factor = 2
2 × 5 =
20
composite factor = 5
2 =
25
composite factor = 3
3 =
27
composite factor = 2 × 3 × 5 =
30
composite factor = 2
2 × 3
2 =
36
prime factor =
41
composite factor = 3
2 × 5 =
45
composite factor = 2 × 5
2 =
50
composite factor = 2 × 3
3 =
54
composite factor = 2
2 × 3 × 5 =
60
composite factor = 3 × 5
2 =
75
composite factor = 3
4 =
81
composite factor = 2 × 41 =
82
composite factor = 2 × 3
2 × 5 =
90
composite factor = 2
2 × 5
2 =
100
composite factor = 2
2 × 3
3 =
108
composite factor = 3 × 41 =
123
composite factor = 3
3 × 5 =
135
composite factor = 2 × 3 × 5
2 =
150
composite factor = 2 × 3
4 =
162
composite factor = 2
2 × 41 =
164
composite factor = 2
2 × 3
2 × 5 =
180
composite factor = 5 × 41 =
205
composite factor = 3
2 × 5
2 =
225
composite factor = 2 × 3 × 41 =
246
composite factor = 2 × 3
3 × 5 =
270
composite factor = 2
2 × 3 × 5
2 =
300
composite factor = 2
2 × 3
4 =
324
composite factor = 3
2 × 41 =
369
composite factor = 3
4 × 5 =
405
composite factor = 2 × 5 × 41 =
410
composite factor = 2 × 3
2 × 5
2 =
450
composite factor = 2
2 × 3 × 41 =
492
composite factor = 2
2 × 3
3 × 5 =
540
This list continues below...
... This list continues from above
composite factor = 3 × 5 × 41 =
615
composite factor = 3
3 × 5
2 =
675
composite factor = 2 × 3
2 × 41 =
738
composite factor = 2 × 3
4 × 5 =
810
composite factor = 2
2 × 5 × 41 =
820
composite factor = 2
2 × 3
2 × 5
2 =
900
composite factor = 5
2 × 41 =
1,025
composite factor = 3
3 × 41 =
1,107
composite factor = 2 × 3 × 5 × 41 =
1,230
composite factor = 2 × 3
3 × 5
2 =
1,350
composite factor = 2
2 × 3
2 × 41 =
1,476
composite factor = 2
2 × 3
4 × 5 =
1,620
composite factor = 3
2 × 5 × 41 =
1,845
composite factor = 3
4 × 5
2 =
2,025
composite factor = 2 × 5
2 × 41 =
2,050
composite factor = 2 × 3
3 × 41 =
2,214
composite factor = 2
2 × 3 × 5 × 41 =
2,460
composite factor = 2
2 × 3
3 × 5
2 =
2,700
composite factor = 3 × 5
2 × 41 =
3,075
composite factor = 3
4 × 41 =
3,321
composite factor = 2 × 3
2 × 5 × 41 =
3,690
composite factor = 2 × 3
4 × 5
2 =
4,050
composite factor = 2
2 × 5
2 × 41 =
4,100
composite factor = 2
2 × 3
3 × 41 =
4,428
composite factor = 3
3 × 5 × 41 =
5,535
composite factor = 2 × 3 × 5
2 × 41 =
6,150
composite factor = 2 × 3
4 × 41 =
6,642
composite factor = 2
2 × 3
2 × 5 × 41 =
7,380
composite factor = 2
2 × 3
4 × 5
2 =
8,100
composite factor = 3
2 × 5
2 × 41 =
9,225
composite factor = 2 × 3
3 × 5 × 41 =
11,070
composite factor = 2
2 × 3 × 5
2 × 41 =
12,300
composite factor = 2
2 × 3
4 × 41 =
13,284
composite factor = 3
4 × 5 × 41 =
16,605
composite factor = 2 × 3
2 × 5
2 × 41 =
18,450
composite factor = 2
2 × 3
3 × 5 × 41 =
22,140
composite factor = 3
3 × 5
2 × 41 =
27,675
composite factor = 2 × 3
4 × 5 × 41 =
33,210
composite factor = 2
2 × 3
2 × 5
2 × 41 =
36,900
composite factor = 2 × 3
3 × 5
2 × 41 =
55,350
composite factor = 2
2 × 3
4 × 5 × 41 =
66,420
composite factor = 3
4 × 5
2 × 41 =
83,025
composite factor = 2
2 × 3
3 × 5
2 × 41 =
110,700
composite factor = 2 × 3
4 × 5
2 × 41 =
166,050
composite factor = 2
2 × 3
4 × 5
2 × 41 =
332,100
90 factors (divisors)
What times what is 332,100?
What number multiplied by what number equals 332,100?
All the combinations of any two natural numbers whose product equals 332,100.
1 × 332,100 = 332,100
2 × 166,050 = 332,100
3 × 110,700 = 332,100
4 × 83,025 = 332,100
5 × 66,420 = 332,100
6 × 55,350 = 332,100
9 × 36,900 = 332,100
10 × 33,210 = 332,100
12 × 27,675 = 332,100
15 × 22,140 = 332,100
18 × 18,450 = 332,100
20 × 16,605 = 332,100
25 × 13,284 = 332,100
27 × 12,300 = 332,100
30 × 11,070 = 332,100
36 × 9,225 = 332,100
41 × 8,100 = 332,100
45 × 7,380 = 332,100
50 × 6,642 = 332,100
54 × 6,150 = 332,100
60 × 5,535 = 332,100
75 × 4,428 = 332,100
81 × 4,100 = 332,100
82 × 4,050 = 332,100
90 × 3,690 = 332,100
100 × 3,321 = 332,100
108 × 3,075 = 332,100
123 × 2,700 = 332,100
135 × 2,460 = 332,100
150 × 2,214 = 332,100
162 × 2,050 = 332,100
164 × 2,025 = 332,100
180 × 1,845 = 332,100
205 × 1,620 = 332,100
225 × 1,476 = 332,100
246 × 1,350 = 332,100
270 × 1,230 = 332,100
300 × 1,107 = 332,100
324 × 1,025 = 332,100
369 × 900 = 332,100
405 × 820 = 332,100
410 × 810 = 332,100
450 × 738 = 332,100
492 × 675 = 332,100
540 × 615 = 332,100
45 unique multiplications The final answer:
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