To find all the divisors of the number 660,852:
- 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 660,852:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
660,852 = 22 × 33 × 29 × 211
660,852 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 660,852
- 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
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2 × 3
2 =
18
composite factor = 3
3 =
27
prime factor =
29
composite factor = 2
2 × 3
2 =
36
composite factor = 2 × 3
3 =
54
composite factor = 2 × 29 =
58
composite factor = 3 × 29 =
87
composite factor = 2
2 × 3
3 =
108
composite factor = 2
2 × 29 =
116
composite factor = 2 × 3 × 29 =
174
prime factor =
211
composite factor = 3
2 × 29 =
261
composite factor = 2
2 × 3 × 29 =
348
composite factor = 2 × 211 =
422
composite factor = 2 × 3
2 × 29 =
522
composite factor = 3 × 211 =
633
composite factor = 3
3 × 29 =
783
This list continues below...
... This list continues from above
composite factor = 2
2 × 211 =
844
composite factor = 2
2 × 3
2 × 29 =
1,044
composite factor = 2 × 3 × 211 =
1,266
composite factor = 2 × 3
3 × 29 =
1,566
composite factor = 3
2 × 211 =
1,899
composite factor = 2
2 × 3 × 211 =
2,532
composite factor = 2
2 × 3
3 × 29 =
3,132
composite factor = 2 × 3
2 × 211 =
3,798
composite factor = 3
3 × 211 =
5,697
composite factor = 29 × 211 =
6,119
composite factor = 2
2 × 3
2 × 211 =
7,596
composite factor = 2 × 3
3 × 211 =
11,394
composite factor = 2 × 29 × 211 =
12,238
composite factor = 3 × 29 × 211 =
18,357
composite factor = 2
2 × 3
3 × 211 =
22,788
composite factor = 2
2 × 29 × 211 =
24,476
composite factor = 2 × 3 × 29 × 211 =
36,714
composite factor = 3
2 × 29 × 211 =
55,071
composite factor = 2
2 × 3 × 29 × 211 =
73,428
composite factor = 2 × 3
2 × 29 × 211 =
110,142
composite factor = 3
3 × 29 × 211 =
165,213
composite factor = 2
2 × 3
2 × 29 × 211 =
220,284
composite factor = 2 × 3
3 × 29 × 211 =
330,426
composite factor = 2
2 × 3
3 × 29 × 211 =
660,852
48 factors (divisors)
What times what is 660,852?
What number multiplied by what number equals 660,852?
All the combinations of any two natural numbers whose product equals 660,852.
1 × 660,852 = 660,852
2 × 330,426 = 660,852
3 × 220,284 = 660,852
4 × 165,213 = 660,852
6 × 110,142 = 660,852
9 × 73,428 = 660,852
12 × 55,071 = 660,852
18 × 36,714 = 660,852
27 × 24,476 = 660,852
29 × 22,788 = 660,852
36 × 18,357 = 660,852
54 × 12,238 = 660,852
58 × 11,394 = 660,852
87 × 7,596 = 660,852
108 × 6,119 = 660,852
116 × 5,697 = 660,852
174 × 3,798 = 660,852
211 × 3,132 = 660,852
261 × 2,532 = 660,852
348 × 1,899 = 660,852
422 × 1,566 = 660,852
522 × 1,266 = 660,852
633 × 1,044 = 660,852
783 × 844 = 660,852
24 unique multiplications The final answer:
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