To find all the divisors of the number 294,300:
- 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 294,300:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
294,300 = 22 × 33 × 52 × 109
294,300 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) × (2 + 1) × (1 + 1) = 3 × 4 × 3 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 294,300
- 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 = 3
2 =
9
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
composite factor = 2 × 3
2 =
18
composite factor = 2
2 × 5 =
20
composite factor = 5
2 =
25
composite factor = 3
3 =
27
composite factor = 2 × 3 × 5 =
30
composite factor = 2
2 × 3
2 =
36
composite factor = 3
2 × 5 =
45
composite factor = 2 × 5
2 =
50
composite factor = 2 × 3
3 =
54
composite factor = 2
2 × 3 × 5 =
60
composite factor = 3 × 5
2 =
75
composite factor = 2 × 3
2 × 5 =
90
composite factor = 2
2 × 5
2 =
100
composite factor = 2
2 × 3
3 =
108
prime factor =
109
composite factor = 3
3 × 5 =
135
composite factor = 2 × 3 × 5
2 =
150
composite factor = 2
2 × 3
2 × 5 =
180
composite factor = 2 × 109 =
218
composite factor = 3
2 × 5
2 =
225
composite factor = 2 × 3
3 × 5 =
270
composite factor = 2
2 × 3 × 5
2 =
300
composite factor = 3 × 109 =
327
composite factor = 2
2 × 109 =
436
composite factor = 2 × 3
2 × 5
2 =
450
composite factor = 2
2 × 3
3 × 5 =
540
This list continues below...
... This list continues from above
composite factor = 5 × 109 =
545
composite factor = 2 × 3 × 109 =
654
composite factor = 3
3 × 5
2 =
675
composite factor = 2
2 × 3
2 × 5
2 =
900
composite factor = 3
2 × 109 =
981
composite factor = 2 × 5 × 109 =
1,090
composite factor = 2
2 × 3 × 109 =
1,308
composite factor = 2 × 3
3 × 5
2 =
1,350
composite factor = 3 × 5 × 109 =
1,635
composite factor = 2 × 3
2 × 109 =
1,962
composite factor = 2
2 × 5 × 109 =
2,180
composite factor = 2
2 × 3
3 × 5
2 =
2,700
composite factor = 5
2 × 109 =
2,725
composite factor = 3
3 × 109 =
2,943
composite factor = 2 × 3 × 5 × 109 =
3,270
composite factor = 2
2 × 3
2 × 109 =
3,924
composite factor = 3
2 × 5 × 109 =
4,905
composite factor = 2 × 5
2 × 109 =
5,450
composite factor = 2 × 3
3 × 109 =
5,886
composite factor = 2
2 × 3 × 5 × 109 =
6,540
composite factor = 3 × 5
2 × 109 =
8,175
composite factor = 2 × 3
2 × 5 × 109 =
9,810
composite factor = 2
2 × 5
2 × 109 =
10,900
composite factor = 2
2 × 3
3 × 109 =
11,772
composite factor = 3
3 × 5 × 109 =
14,715
composite factor = 2 × 3 × 5
2 × 109 =
16,350
composite factor = 2
2 × 3
2 × 5 × 109 =
19,620
composite factor = 3
2 × 5
2 × 109 =
24,525
composite factor = 2 × 3
3 × 5 × 109 =
29,430
composite factor = 2
2 × 3 × 5
2 × 109 =
32,700
composite factor = 2 × 3
2 × 5
2 × 109 =
49,050
composite factor = 2
2 × 3
3 × 5 × 109 =
58,860
composite factor = 3
3 × 5
2 × 109 =
73,575
composite factor = 2
2 × 3
2 × 5
2 × 109 =
98,100
composite factor = 2 × 3
3 × 5
2 × 109 =
147,150
composite factor = 2
2 × 3
3 × 5
2 × 109 =
294,300
72 factors (divisors)
What times what is 294,300?
What number multiplied by what number equals 294,300?
All the combinations of any two natural numbers whose product equals 294,300.
1 × 294,300 = 294,300
2 × 147,150 = 294,300
3 × 98,100 = 294,300
4 × 73,575 = 294,300
5 × 58,860 = 294,300
6 × 49,050 = 294,300
9 × 32,700 = 294,300
10 × 29,430 = 294,300
12 × 24,525 = 294,300
15 × 19,620 = 294,300
18 × 16,350 = 294,300
20 × 14,715 = 294,300
25 × 11,772 = 294,300
27 × 10,900 = 294,300
30 × 9,810 = 294,300
36 × 8,175 = 294,300
45 × 6,540 = 294,300
50 × 5,886 = 294,300
54 × 5,450 = 294,300
60 × 4,905 = 294,300
75 × 3,924 = 294,300
90 × 3,270 = 294,300
100 × 2,943 = 294,300
108 × 2,725 = 294,300
109 × 2,700 = 294,300
135 × 2,180 = 294,300
150 × 1,962 = 294,300
180 × 1,635 = 294,300
218 × 1,350 = 294,300
225 × 1,308 = 294,300
270 × 1,090 = 294,300
300 × 981 = 294,300
327 × 900 = 294,300
436 × 675 = 294,300
450 × 654 = 294,300
540 × 545 = 294,300
36 unique multiplications The final answer:
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