To find all the divisors of the number 477,000:
- 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 477,000:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
477,000 = 23 × 32 × 53 × 53
477,000 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 = (3 + 1) × (2 + 1) × (3 + 1) × (1 + 1) = 4 × 3 × 4 × 2 = 96
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 477,000
- 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 = 2
3 =
8
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 = 2
3 × 3 =
24
composite factor = 5
2 =
25
composite factor = 2 × 3 × 5 =
30
composite factor = 2
2 × 3
2 =
36
composite factor = 2
3 × 5 =
40
composite factor = 3
2 × 5 =
45
composite factor = 2 × 5
2 =
50
prime factor =
53
composite factor = 2
2 × 3 × 5 =
60
composite factor = 2
3 × 3
2 =
72
composite factor = 3 × 5
2 =
75
composite factor = 2 × 3
2 × 5 =
90
composite factor = 2
2 × 5
2 =
100
composite factor = 2 × 53 =
106
composite factor = 2
3 × 3 × 5 =
120
composite factor = 5
3 =
125
composite factor = 2 × 3 × 5
2 =
150
composite factor = 3 × 53 =
159
composite factor = 2
2 × 3
2 × 5 =
180
composite factor = 2
3 × 5
2 =
200
composite factor = 2
2 × 53 =
212
composite factor = 3
2 × 5
2 =
225
composite factor = 2 × 5
3 =
250
composite factor = 5 × 53 =
265
composite factor = 2
2 × 3 × 5
2 =
300
composite factor = 2 × 3 × 53 =
318
composite factor = 2
3 × 3
2 × 5 =
360
composite factor = 3 × 5
3 =
375
composite factor = 2
3 × 53 =
424
composite factor = 2 × 3
2 × 5
2 =
450
composite factor = 3
2 × 53 =
477
composite factor = 2
2 × 5
3 =
500
composite factor = 2 × 5 × 53 =
530
composite factor = 2
3 × 3 × 5
2 =
600
composite factor = 2
2 × 3 × 53 =
636
This list continues below...
... This list continues from above
composite factor = 2 × 3 × 5
3 =
750
composite factor = 3 × 5 × 53 =
795
composite factor = 2
2 × 3
2 × 5
2 =
900
composite factor = 2 × 3
2 × 53 =
954
composite factor = 2
3 × 5
3 =
1,000
composite factor = 2
2 × 5 × 53 =
1,060
composite factor = 3
2 × 5
3 =
1,125
composite factor = 2
3 × 3 × 53 =
1,272
composite factor = 5
2 × 53 =
1,325
composite factor = 2
2 × 3 × 5
3 =
1,500
composite factor = 2 × 3 × 5 × 53 =
1,590
composite factor = 2
3 × 3
2 × 5
2 =
1,800
composite factor = 2
2 × 3
2 × 53 =
1,908
composite factor = 2
3 × 5 × 53 =
2,120
composite factor = 2 × 3
2 × 5
3 =
2,250
composite factor = 3
2 × 5 × 53 =
2,385
composite factor = 2 × 5
2 × 53 =
2,650
composite factor = 2
3 × 3 × 5
3 =
3,000
composite factor = 2
2 × 3 × 5 × 53 =
3,180
composite factor = 2
3 × 3
2 × 53 =
3,816
composite factor = 3 × 5
2 × 53 =
3,975
composite factor = 2
2 × 3
2 × 5
3 =
4,500
composite factor = 2 × 3
2 × 5 × 53 =
4,770
composite factor = 2
2 × 5
2 × 53 =
5,300
composite factor = 2
3 × 3 × 5 × 53 =
6,360
composite factor = 5
3 × 53 =
6,625
composite factor = 2 × 3 × 5
2 × 53 =
7,950
composite factor = 2
3 × 3
2 × 5
3 =
9,000
composite factor = 2
2 × 3
2 × 5 × 53 =
9,540
composite factor = 2
3 × 5
2 × 53 =
10,600
composite factor = 3
2 × 5
2 × 53 =
11,925
composite factor = 2 × 5
3 × 53 =
13,250
composite factor = 2
2 × 3 × 5
2 × 53 =
15,900
composite factor = 2
3 × 3
2 × 5 × 53 =
19,080
composite factor = 3 × 5
3 × 53 =
19,875
composite factor = 2 × 3
2 × 5
2 × 53 =
23,850
composite factor = 2
2 × 5
3 × 53 =
26,500
composite factor = 2
3 × 3 × 5
2 × 53 =
31,800
composite factor = 2 × 3 × 5
3 × 53 =
39,750
composite factor = 2
2 × 3
2 × 5
2 × 53 =
47,700
composite factor = 2
3 × 5
3 × 53 =
53,000
composite factor = 3
2 × 5
3 × 53 =
59,625
composite factor = 2
2 × 3 × 5
3 × 53 =
79,500
composite factor = 2
3 × 3
2 × 5
2 × 53 =
95,400
composite factor = 2 × 3
2 × 5
3 × 53 =
119,250
composite factor = 2
3 × 3 × 5
3 × 53 =
159,000
composite factor = 2
2 × 3
2 × 5
3 × 53 =
238,500
composite factor = 2
3 × 3
2 × 5
3 × 53 =
477,000
96 factors (divisors)
What times what is 477,000?
What number multiplied by what number equals 477,000?
All the combinations of any two natural numbers whose product equals 477,000.
1 × 477,000 = 477,000
2 × 238,500 = 477,000
3 × 159,000 = 477,000
4 × 119,250 = 477,000
5 × 95,400 = 477,000
6 × 79,500 = 477,000
8 × 59,625 = 477,000
9 × 53,000 = 477,000
10 × 47,700 = 477,000
12 × 39,750 = 477,000
15 × 31,800 = 477,000
18 × 26,500 = 477,000
20 × 23,850 = 477,000
24 × 19,875 = 477,000
25 × 19,080 = 477,000
30 × 15,900 = 477,000
36 × 13,250 = 477,000
40 × 11,925 = 477,000
45 × 10,600 = 477,000
50 × 9,540 = 477,000
53 × 9,000 = 477,000
60 × 7,950 = 477,000
72 × 6,625 = 477,000
75 × 6,360 = 477,000
90 × 5,300 = 477,000
100 × 4,770 = 477,000
106 × 4,500 = 477,000
120 × 3,975 = 477,000
125 × 3,816 = 477,000
150 × 3,180 = 477,000
159 × 3,000 = 477,000
180 × 2,650 = 477,000
200 × 2,385 = 477,000
212 × 2,250 = 477,000
225 × 2,120 = 477,000
250 × 1,908 = 477,000
265 × 1,800 = 477,000
300 × 1,590 = 477,000
318 × 1,500 = 477,000
360 × 1,325 = 477,000
375 × 1,272 = 477,000
424 × 1,125 = 477,000
450 × 1,060 = 477,000
477 × 1,000 = 477,000
500 × 954 = 477,000
530 × 900 = 477,000
600 × 795 = 477,000
636 × 750 = 477,000
48 unique multiplications The final answer:
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