To find all the divisors of the number 142,736,744:
- 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 142,736,744:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
142,736,744 = 23 × 41 × 472 × 197
142,736,744 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) × (2 + 1) × (1 + 1) = 4 × 2 × 3 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 142,736,744
- 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
composite factor = 2
3 =
8
prime factor =
41
prime factor =
47
composite factor = 2 × 41 =
82
composite factor = 2 × 47 =
94
composite factor = 2
2 × 41 =
164
composite factor = 2
2 × 47 =
188
prime factor =
197
composite factor = 2
3 × 41 =
328
composite factor = 2
3 × 47 =
376
composite factor = 2 × 197 =
394
composite factor = 2
2 × 197 =
788
composite factor = 2
3 × 197 =
1,576
composite factor = 41 × 47 =
1,927
composite factor = 47
2 =
2,209
composite factor = 2 × 41 × 47 =
3,854
composite factor = 2 × 47
2 =
4,418
composite factor = 2
2 × 41 × 47 =
7,708
composite factor = 41 × 197 =
8,077
composite factor = 2
2 × 47
2 =
8,836
composite factor = 47 × 197 =
9,259
This list continues below...
... This list continues from above
composite factor = 2
3 × 41 × 47 =
15,416
composite factor = 2 × 41 × 197 =
16,154
composite factor = 2
3 × 47
2 =
17,672
composite factor = 2 × 47 × 197 =
18,518
composite factor = 2
2 × 41 × 197 =
32,308
composite factor = 2
2 × 47 × 197 =
37,036
composite factor = 2
3 × 41 × 197 =
64,616
composite factor = 2
3 × 47 × 197 =
74,072
composite factor = 41 × 47
2 =
90,569
composite factor = 2 × 41 × 47
2 =
181,138
composite factor = 2
2 × 41 × 47
2 =
362,276
composite factor = 41 × 47 × 197 =
379,619
composite factor = 47
2 × 197 =
435,173
composite factor = 2
3 × 41 × 47
2 =
724,552
composite factor = 2 × 41 × 47 × 197 =
759,238
composite factor = 2 × 47
2 × 197 =
870,346
composite factor = 2
2 × 41 × 47 × 197 =
1,518,476
composite factor = 2
2 × 47
2 × 197 =
1,740,692
composite factor = 2
3 × 41 × 47 × 197 =
3,036,952
composite factor = 2
3 × 47
2 × 197 =
3,481,384
composite factor = 41 × 47
2 × 197 =
17,842,093
composite factor = 2 × 41 × 47
2 × 197 =
35,684,186
composite factor = 2
2 × 41 × 47
2 × 197 =
71,368,372
composite factor = 2
3 × 41 × 47
2 × 197 =
142,736,744
48 factors (divisors)
What times what is 142,736,744?
What number multiplied by what number equals 142,736,744?
All the combinations of any two natural numbers whose product equals 142,736,744.
1 × 142,736,744 = 142,736,744
2 × 71,368,372 = 142,736,744
4 × 35,684,186 = 142,736,744
8 × 17,842,093 = 142,736,744
41 × 3,481,384 = 142,736,744
47 × 3,036,952 = 142,736,744
82 × 1,740,692 = 142,736,744
94 × 1,518,476 = 142,736,744
164 × 870,346 = 142,736,744
188 × 759,238 = 142,736,744
197 × 724,552 = 142,736,744
328 × 435,173 = 142,736,744
376 × 379,619 = 142,736,744
394 × 362,276 = 142,736,744
788 × 181,138 = 142,736,744
1,576 × 90,569 = 142,736,744
1,927 × 74,072 = 142,736,744
2,209 × 64,616 = 142,736,744
3,854 × 37,036 = 142,736,744
4,418 × 32,308 = 142,736,744
7,708 × 18,518 = 142,736,744
8,077 × 17,672 = 142,736,744
8,836 × 16,154 = 142,736,744
9,259 × 15,416 = 142,736,744
24 unique multiplications The final answer:
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