To find all the divisors of the number 962,000:
- 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 962,000:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
962,000 = 24 × 53 × 13 × 37
962,000 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 = (4 + 1) × (3 + 1) × (1 + 1) × (1 + 1) = 5 × 4 × 2 × 2 = 80
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 962,000
- 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
composite factor = 2
2 =
4
prime factor =
5
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
prime factor =
13
composite factor = 2
4 =
16
composite factor = 2
2 × 5 =
20
composite factor = 5
2 =
25
composite factor = 2 × 13 =
26
prime factor =
37
composite factor = 2
3 × 5 =
40
composite factor = 2 × 5
2 =
50
composite factor = 2
2 × 13 =
52
composite factor = 5 × 13 =
65
composite factor = 2 × 37 =
74
composite factor = 2
4 × 5 =
80
composite factor = 2
2 × 5
2 =
100
composite factor = 2
3 × 13 =
104
composite factor = 5
3 =
125
composite factor = 2 × 5 × 13 =
130
composite factor = 2
2 × 37 =
148
composite factor = 5 × 37 =
185
composite factor = 2
3 × 5
2 =
200
composite factor = 2
4 × 13 =
208
composite factor = 2 × 5
3 =
250
composite factor = 2
2 × 5 × 13 =
260
composite factor = 2
3 × 37 =
296
composite factor = 5
2 × 13 =
325
composite factor = 2 × 5 × 37 =
370
composite factor = 2
4 × 5
2 =
400
composite factor = 13 × 37 =
481
composite factor = 2
2 × 5
3 =
500
composite factor = 2
3 × 5 × 13 =
520
composite factor = 2
4 × 37 =
592
composite factor = 2 × 5
2 × 13 =
650
composite factor = 2
2 × 5 × 37 =
740
composite factor = 5
2 × 37 =
925
composite factor = 2 × 13 × 37 =
962
This list continues below...
... This list continues from above
composite factor = 2
3 × 5
3 =
1,000
composite factor = 2
4 × 5 × 13 =
1,040
composite factor = 2
2 × 5
2 × 13 =
1,300
composite factor = 2
3 × 5 × 37 =
1,480
composite factor = 5
3 × 13 =
1,625
composite factor = 2 × 5
2 × 37 =
1,850
composite factor = 2
2 × 13 × 37 =
1,924
composite factor = 2
4 × 5
3 =
2,000
composite factor = 5 × 13 × 37 =
2,405
composite factor = 2
3 × 5
2 × 13 =
2,600
composite factor = 2
4 × 5 × 37 =
2,960
composite factor = 2 × 5
3 × 13 =
3,250
composite factor = 2
2 × 5
2 × 37 =
3,700
composite factor = 2
3 × 13 × 37 =
3,848
composite factor = 5
3 × 37 =
4,625
composite factor = 2 × 5 × 13 × 37 =
4,810
composite factor = 2
4 × 5
2 × 13 =
5,200
composite factor = 2
2 × 5
3 × 13 =
6,500
composite factor = 2
3 × 5
2 × 37 =
7,400
composite factor = 2
4 × 13 × 37 =
7,696
composite factor = 2 × 5
3 × 37 =
9,250
composite factor = 2
2 × 5 × 13 × 37 =
9,620
composite factor = 5
2 × 13 × 37 =
12,025
composite factor = 2
3 × 5
3 × 13 =
13,000
composite factor = 2
4 × 5
2 × 37 =
14,800
composite factor = 2
2 × 5
3 × 37 =
18,500
composite factor = 2
3 × 5 × 13 × 37 =
19,240
composite factor = 2 × 5
2 × 13 × 37 =
24,050
composite factor = 2
4 × 5
3 × 13 =
26,000
composite factor = 2
3 × 5
3 × 37 =
37,000
composite factor = 2
4 × 5 × 13 × 37 =
38,480
composite factor = 2
2 × 5
2 × 13 × 37 =
48,100
composite factor = 5
3 × 13 × 37 =
60,125
composite factor = 2
4 × 5
3 × 37 =
74,000
composite factor = 2
3 × 5
2 × 13 × 37 =
96,200
composite factor = 2 × 5
3 × 13 × 37 =
120,250
composite factor = 2
4 × 5
2 × 13 × 37 =
192,400
composite factor = 2
2 × 5
3 × 13 × 37 =
240,500
composite factor = 2
3 × 5
3 × 13 × 37 =
481,000
composite factor = 2
4 × 5
3 × 13 × 37 =
962,000
80 factors (divisors)
What times what is 962,000?
What number multiplied by what number equals 962,000?
All the combinations of any two natural numbers whose product equals 962,000.
1 × 962,000 = 962,000
2 × 481,000 = 962,000
4 × 240,500 = 962,000
5 × 192,400 = 962,000
8 × 120,250 = 962,000
10 × 96,200 = 962,000
13 × 74,000 = 962,000
16 × 60,125 = 962,000
20 × 48,100 = 962,000
25 × 38,480 = 962,000
26 × 37,000 = 962,000
37 × 26,000 = 962,000
40 × 24,050 = 962,000
50 × 19,240 = 962,000
52 × 18,500 = 962,000
65 × 14,800 = 962,000
74 × 13,000 = 962,000
80 × 12,025 = 962,000
100 × 9,620 = 962,000
104 × 9,250 = 962,000
125 × 7,696 = 962,000
130 × 7,400 = 962,000
148 × 6,500 = 962,000
185 × 5,200 = 962,000
200 × 4,810 = 962,000
208 × 4,625 = 962,000
250 × 3,848 = 962,000
260 × 3,700 = 962,000
296 × 3,250 = 962,000
325 × 2,960 = 962,000
370 × 2,600 = 962,000
400 × 2,405 = 962,000
481 × 2,000 = 962,000
500 × 1,924 = 962,000
520 × 1,850 = 962,000
592 × 1,625 = 962,000
650 × 1,480 = 962,000
740 × 1,300 = 962,000
925 × 1,040 = 962,000
962 × 1,000 = 962,000
40 unique multiplications The final answer:
(scroll down)