To find all the divisors of the number 24,343,396:
- 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 24,343,396:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
24,343,396 = 22 × 73 × 11 × 1,613
24,343,396 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) × (3 + 1) × (1 + 1) × (1 + 1) = 3 × 4 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 24,343,396
- 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 =
7
prime factor =
11
composite factor = 2 × 7 =
14
composite factor = 2 × 11 =
22
composite factor = 2
2 × 7 =
28
composite factor = 2
2 × 11 =
44
composite factor = 7
2 =
49
composite factor = 7 × 11 =
77
composite factor = 2 × 7
2 =
98
composite factor = 2 × 7 × 11 =
154
composite factor = 2
2 × 7
2 =
196
composite factor = 2
2 × 7 × 11 =
308
composite factor = 7
3 =
343
composite factor = 7
2 × 11 =
539
composite factor = 2 × 7
3 =
686
composite factor = 2 × 7
2 × 11 =
1,078
composite factor = 2
2 × 7
3 =
1,372
prime factor =
1,613
composite factor = 2
2 × 7
2 × 11 =
2,156
composite factor = 2 × 1,613 =
3,226
composite factor = 7
3 × 11 =
3,773
This list continues below...
... This list continues from above
composite factor = 2
2 × 1,613 =
6,452
composite factor = 2 × 7
3 × 11 =
7,546
composite factor = 7 × 1,613 =
11,291
composite factor = 2
2 × 7
3 × 11 =
15,092
composite factor = 11 × 1,613 =
17,743
composite factor = 2 × 7 × 1,613 =
22,582
composite factor = 2 × 11 × 1,613 =
35,486
composite factor = 2
2 × 7 × 1,613 =
45,164
composite factor = 2
2 × 11 × 1,613 =
70,972
composite factor = 7
2 × 1,613 =
79,037
composite factor = 7 × 11 × 1,613 =
124,201
composite factor = 2 × 7
2 × 1,613 =
158,074
composite factor = 2 × 7 × 11 × 1,613 =
248,402
composite factor = 2
2 × 7
2 × 1,613 =
316,148
composite factor = 2
2 × 7 × 11 × 1,613 =
496,804
composite factor = 7
3 × 1,613 =
553,259
composite factor = 7
2 × 11 × 1,613 =
869,407
composite factor = 2 × 7
3 × 1,613 =
1,106,518
composite factor = 2 × 7
2 × 11 × 1,613 =
1,738,814
composite factor = 2
2 × 7
3 × 1,613 =
2,213,036
composite factor = 2
2 × 7
2 × 11 × 1,613 =
3,477,628
composite factor = 7
3 × 11 × 1,613 =
6,085,849
composite factor = 2 × 7
3 × 11 × 1,613 =
12,171,698
composite factor = 2
2 × 7
3 × 11 × 1,613 =
24,343,396
48 factors (divisors)
What times what is 24,343,396?
What number multiplied by what number equals 24,343,396?
All the combinations of any two natural numbers whose product equals 24,343,396.
1 × 24,343,396 = 24,343,396
2 × 12,171,698 = 24,343,396
4 × 6,085,849 = 24,343,396
7 × 3,477,628 = 24,343,396
11 × 2,213,036 = 24,343,396
14 × 1,738,814 = 24,343,396
22 × 1,106,518 = 24,343,396
28 × 869,407 = 24,343,396
44 × 553,259 = 24,343,396
49 × 496,804 = 24,343,396
77 × 316,148 = 24,343,396
98 × 248,402 = 24,343,396
154 × 158,074 = 24,343,396
196 × 124,201 = 24,343,396
308 × 79,037 = 24,343,396
343 × 70,972 = 24,343,396
539 × 45,164 = 24,343,396
686 × 35,486 = 24,343,396
1,078 × 22,582 = 24,343,396
1,372 × 17,743 = 24,343,396
1,613 × 15,092 = 24,343,396
2,156 × 11,291 = 24,343,396
3,226 × 7,546 = 24,343,396
3,773 × 6,452 = 24,343,396
24 unique multiplications The final answer:
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