To find all the divisors of the number 142,737,240:
- 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 142,737,240:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
142,737,240 = 23 × 3 × 5 × 101 × 11,777
142,737,240 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) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 142,737,240
- 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 = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
composite factor = 2
2 × 5 =
20
composite factor = 2
3 × 3 =
24
composite factor = 2 × 3 × 5 =
30
composite factor = 2
3 × 5 =
40
composite factor = 2
2 × 3 × 5 =
60
prime factor =
101
composite factor = 2
3 × 3 × 5 =
120
composite factor = 2 × 101 =
202
composite factor = 3 × 101 =
303
composite factor = 2
2 × 101 =
404
composite factor = 5 × 101 =
505
composite factor = 2 × 3 × 101 =
606
composite factor = 2
3 × 101 =
808
composite factor = 2 × 5 × 101 =
1,010
composite factor = 2
2 × 3 × 101 =
1,212
composite factor = 3 × 5 × 101 =
1,515
composite factor = 2
2 × 5 × 101 =
2,020
composite factor = 2
3 × 3 × 101 =
2,424
composite factor = 2 × 3 × 5 × 101 =
3,030
composite factor = 2
3 × 5 × 101 =
4,040
composite factor = 2
2 × 3 × 5 × 101 =
6,060
prime factor =
11,777
This list continues below...
... This list continues from above
composite factor = 2
3 × 3 × 5 × 101 =
12,120
composite factor = 2 × 11,777 =
23,554
composite factor = 3 × 11,777 =
35,331
composite factor = 2
2 × 11,777 =
47,108
composite factor = 5 × 11,777 =
58,885
composite factor = 2 × 3 × 11,777 =
70,662
composite factor = 2
3 × 11,777 =
94,216
composite factor = 2 × 5 × 11,777 =
117,770
composite factor = 2
2 × 3 × 11,777 =
141,324
composite factor = 3 × 5 × 11,777 =
176,655
composite factor = 2
2 × 5 × 11,777 =
235,540
composite factor = 2
3 × 3 × 11,777 =
282,648
composite factor = 2 × 3 × 5 × 11,777 =
353,310
composite factor = 2
3 × 5 × 11,777 =
471,080
composite factor = 2
2 × 3 × 5 × 11,777 =
706,620
composite factor = 101 × 11,777 =
1,189,477
composite factor = 2
3 × 3 × 5 × 11,777 =
1,413,240
composite factor = 2 × 101 × 11,777 =
2,378,954
composite factor = 3 × 101 × 11,777 =
3,568,431
composite factor = 2
2 × 101 × 11,777 =
4,757,908
composite factor = 5 × 101 × 11,777 =
5,947,385
composite factor = 2 × 3 × 101 × 11,777 =
7,136,862
composite factor = 2
3 × 101 × 11,777 =
9,515,816
composite factor = 2 × 5 × 101 × 11,777 =
11,894,770
composite factor = 2
2 × 3 × 101 × 11,777 =
14,273,724
composite factor = 3 × 5 × 101 × 11,777 =
17,842,155
composite factor = 2
2 × 5 × 101 × 11,777 =
23,789,540
composite factor = 2
3 × 3 × 101 × 11,777 =
28,547,448
composite factor = 2 × 3 × 5 × 101 × 11,777 =
35,684,310
composite factor = 2
3 × 5 × 101 × 11,777 =
47,579,080
composite factor = 2
2 × 3 × 5 × 101 × 11,777 =
71,368,620
composite factor = 2
3 × 3 × 5 × 101 × 11,777 =
142,737,240
64 factors (divisors)
What times what is 142,737,240?
What number multiplied by what number equals 142,737,240?
All the combinations of any two natural numbers whose product equals 142,737,240.
1 × 142,737,240 = 142,737,240
2 × 71,368,620 = 142,737,240
3 × 47,579,080 = 142,737,240
4 × 35,684,310 = 142,737,240
5 × 28,547,448 = 142,737,240
6 × 23,789,540 = 142,737,240
8 × 17,842,155 = 142,737,240
10 × 14,273,724 = 142,737,240
12 × 11,894,770 = 142,737,240
15 × 9,515,816 = 142,737,240
20 × 7,136,862 = 142,737,240
24 × 5,947,385 = 142,737,240
30 × 4,757,908 = 142,737,240
40 × 3,568,431 = 142,737,240
60 × 2,378,954 = 142,737,240
101 × 1,413,240 = 142,737,240
120 × 1,189,477 = 142,737,240
202 × 706,620 = 142,737,240
303 × 471,080 = 142,737,240
404 × 353,310 = 142,737,240
505 × 282,648 = 142,737,240
606 × 235,540 = 142,737,240
808 × 176,655 = 142,737,240
1,010 × 141,324 = 142,737,240
1,212 × 117,770 = 142,737,240
1,515 × 94,216 = 142,737,240
2,020 × 70,662 = 142,737,240
2,424 × 58,885 = 142,737,240
3,030 × 47,108 = 142,737,240
4,040 × 35,331 = 142,737,240
6,060 × 23,554 = 142,737,240
11,777 × 12,120 = 142,737,240
32 unique multiplications The final answer:
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