To find all the divisors of the number 428,212,848:
- 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 428,212,848:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
428,212,848 = 24 × 3 × 7 × 467 × 2,729
428,212,848 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) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 5 × 2 × 2 × 2 × 2 = 80
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 428,212,848
- 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
composite factor = 2 × 3 =
6
prime factor =
7
composite factor = 2
3 =
8
composite factor = 2
2 × 3 =
12
composite factor = 2 × 7 =
14
composite factor = 2
4 =
16
composite factor = 3 × 7 =
21
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 7 =
28
composite factor = 2 × 3 × 7 =
42
composite factor = 2
4 × 3 =
48
composite factor = 2
3 × 7 =
56
composite factor = 2
2 × 3 × 7 =
84
composite factor = 2
4 × 7 =
112
composite factor = 2
3 × 3 × 7 =
168
composite factor = 2
4 × 3 × 7 =
336
prime factor =
467
composite factor = 2 × 467 =
934
composite factor = 3 × 467 =
1,401
composite factor = 2
2 × 467 =
1,868
prime factor =
2,729
composite factor = 2 × 3 × 467 =
2,802
composite factor = 7 × 467 =
3,269
composite factor = 2
3 × 467 =
3,736
composite factor = 2 × 2,729 =
5,458
composite factor = 2
2 × 3 × 467 =
5,604
composite factor = 2 × 7 × 467 =
6,538
composite factor = 2
4 × 467 =
7,472
composite factor = 3 × 2,729 =
8,187
composite factor = 3 × 7 × 467 =
9,807
composite factor = 2
2 × 2,729 =
10,916
composite factor = 2
3 × 3 × 467 =
11,208
composite factor = 2
2 × 7 × 467 =
13,076
composite factor = 2 × 3 × 2,729 =
16,374
composite factor = 7 × 2,729 =
19,103
composite factor = 2 × 3 × 7 × 467 =
19,614
This list continues below...
... This list continues from above
composite factor = 2
3 × 2,729 =
21,832
composite factor = 2
4 × 3 × 467 =
22,416
composite factor = 2
3 × 7 × 467 =
26,152
composite factor = 2
2 × 3 × 2,729 =
32,748
composite factor = 2 × 7 × 2,729 =
38,206
composite factor = 2
2 × 3 × 7 × 467 =
39,228
composite factor = 2
4 × 2,729 =
43,664
composite factor = 2
4 × 7 × 467 =
52,304
composite factor = 3 × 7 × 2,729 =
57,309
composite factor = 2
3 × 3 × 2,729 =
65,496
composite factor = 2
2 × 7 × 2,729 =
76,412
composite factor = 2
3 × 3 × 7 × 467 =
78,456
composite factor = 2 × 3 × 7 × 2,729 =
114,618
composite factor = 2
4 × 3 × 2,729 =
130,992
composite factor = 2
3 × 7 × 2,729 =
152,824
composite factor = 2
4 × 3 × 7 × 467 =
156,912
composite factor = 2
2 × 3 × 7 × 2,729 =
229,236
composite factor = 2
4 × 7 × 2,729 =
305,648
composite factor = 2
3 × 3 × 7 × 2,729 =
458,472
composite factor = 2
4 × 3 × 7 × 2,729 =
916,944
composite factor = 467 × 2,729 =
1,274,443
composite factor = 2 × 467 × 2,729 =
2,548,886
composite factor = 3 × 467 × 2,729 =
3,823,329
composite factor = 2
2 × 467 × 2,729 =
5,097,772
composite factor = 2 × 3 × 467 × 2,729 =
7,646,658
composite factor = 7 × 467 × 2,729 =
8,921,101
composite factor = 2
3 × 467 × 2,729 =
10,195,544
composite factor = 2
2 × 3 × 467 × 2,729 =
15,293,316
composite factor = 2 × 7 × 467 × 2,729 =
17,842,202
composite factor = 2
4 × 467 × 2,729 =
20,391,088
composite factor = 3 × 7 × 467 × 2,729 =
26,763,303
composite factor = 2
3 × 3 × 467 × 2,729 =
30,586,632
composite factor = 2
2 × 7 × 467 × 2,729 =
35,684,404
composite factor = 2 × 3 × 7 × 467 × 2,729 =
53,526,606
composite factor = 2
4 × 3 × 467 × 2,729 =
61,173,264
composite factor = 2
3 × 7 × 467 × 2,729 =
71,368,808
composite factor = 2
2 × 3 × 7 × 467 × 2,729 =
107,053,212
composite factor = 2
4 × 7 × 467 × 2,729 =
142,737,616
composite factor = 2
3 × 3 × 7 × 467 × 2,729 =
214,106,424
composite factor = 2
4 × 3 × 7 × 467 × 2,729 =
428,212,848
80 factors (divisors)
What times what is 428,212,848?
What number multiplied by what number equals 428,212,848?
All the combinations of any two natural numbers whose product equals 428,212,848.
1 × 428,212,848 = 428,212,848
2 × 214,106,424 = 428,212,848
3 × 142,737,616 = 428,212,848
4 × 107,053,212 = 428,212,848
6 × 71,368,808 = 428,212,848
7 × 61,173,264 = 428,212,848
8 × 53,526,606 = 428,212,848
12 × 35,684,404 = 428,212,848
14 × 30,586,632 = 428,212,848
16 × 26,763,303 = 428,212,848
21 × 20,391,088 = 428,212,848
24 × 17,842,202 = 428,212,848
28 × 15,293,316 = 428,212,848
42 × 10,195,544 = 428,212,848
48 × 8,921,101 = 428,212,848
56 × 7,646,658 = 428,212,848
84 × 5,097,772 = 428,212,848
112 × 3,823,329 = 428,212,848
168 × 2,548,886 = 428,212,848
336 × 1,274,443 = 428,212,848
467 × 916,944 = 428,212,848
934 × 458,472 = 428,212,848
1,401 × 305,648 = 428,212,848
1,868 × 229,236 = 428,212,848
2,729 × 156,912 = 428,212,848
2,802 × 152,824 = 428,212,848
3,269 × 130,992 = 428,212,848
3,736 × 114,618 = 428,212,848
5,458 × 78,456 = 428,212,848
5,604 × 76,412 = 428,212,848
6,538 × 65,496 = 428,212,848
7,472 × 57,309 = 428,212,848
8,187 × 52,304 = 428,212,848
9,807 × 43,664 = 428,212,848
10,916 × 39,228 = 428,212,848
11,208 × 38,206 = 428,212,848
13,076 × 32,748 = 428,212,848
16,374 × 26,152 = 428,212,848
19,103 × 22,416 = 428,212,848
19,614 × 21,832 = 428,212,848
40 unique multiplications The final answer:
(scroll down)