To find all the divisors of the number 372,360:
- 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 372,360:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
372,360 = 23 × 3 × 5 × 29 × 107
372,360 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) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 372,360
- 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 = 2
3 =
8
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
composite factor = 2
2 × 5 =
20
composite factor = 2
3 × 3 =
24
prime factor =
29
composite factor = 2 × 3 × 5 =
30
composite factor = 2
3 × 5 =
40
composite factor = 2 × 29 =
58
composite factor = 2
2 × 3 × 5 =
60
composite factor = 3 × 29 =
87
prime factor =
107
composite factor = 2
2 × 29 =
116
composite factor = 2
3 × 3 × 5 =
120
composite factor = 5 × 29 =
145
composite factor = 2 × 3 × 29 =
174
composite factor = 2 × 107 =
214
composite factor = 2
3 × 29 =
232
composite factor = 2 × 5 × 29 =
290
composite factor = 3 × 107 =
321
composite factor = 2
2 × 3 × 29 =
348
composite factor = 2
2 × 107 =
428
composite factor = 3 × 5 × 29 =
435
composite factor = 5 × 107 =
535
composite factor = 2
2 × 5 × 29 =
580
This list continues below...
... This list continues from above
composite factor = 2 × 3 × 107 =
642
composite factor = 2
3 × 3 × 29 =
696
composite factor = 2
3 × 107 =
856
composite factor = 2 × 3 × 5 × 29 =
870
composite factor = 2 × 5 × 107 =
1,070
composite factor = 2
3 × 5 × 29 =
1,160
composite factor = 2
2 × 3 × 107 =
1,284
composite factor = 3 × 5 × 107 =
1,605
composite factor = 2
2 × 3 × 5 × 29 =
1,740
composite factor = 2
2 × 5 × 107 =
2,140
composite factor = 2
3 × 3 × 107 =
2,568
composite factor = 29 × 107 =
3,103
composite factor = 2 × 3 × 5 × 107 =
3,210
composite factor = 2
3 × 3 × 5 × 29 =
3,480
composite factor = 2
3 × 5 × 107 =
4,280
composite factor = 2 × 29 × 107 =
6,206
composite factor = 2
2 × 3 × 5 × 107 =
6,420
composite factor = 3 × 29 × 107 =
9,309
composite factor = 2
2 × 29 × 107 =
12,412
composite factor = 2
3 × 3 × 5 × 107 =
12,840
composite factor = 5 × 29 × 107 =
15,515
composite factor = 2 × 3 × 29 × 107 =
18,618
composite factor = 2
3 × 29 × 107 =
24,824
composite factor = 2 × 5 × 29 × 107 =
31,030
composite factor = 2
2 × 3 × 29 × 107 =
37,236
composite factor = 3 × 5 × 29 × 107 =
46,545
composite factor = 2
2 × 5 × 29 × 107 =
62,060
composite factor = 2
3 × 3 × 29 × 107 =
74,472
composite factor = 2 × 3 × 5 × 29 × 107 =
93,090
composite factor = 2
3 × 5 × 29 × 107 =
124,120
composite factor = 2
2 × 3 × 5 × 29 × 107 =
186,180
composite factor = 2
3 × 3 × 5 × 29 × 107 =
372,360
64 factors (divisors)
What times what is 372,360?
What number multiplied by what number equals 372,360?
All the combinations of any two natural numbers whose product equals 372,360.
1 × 372,360 = 372,360
2 × 186,180 = 372,360
3 × 124,120 = 372,360
4 × 93,090 = 372,360
5 × 74,472 = 372,360
6 × 62,060 = 372,360
8 × 46,545 = 372,360
10 × 37,236 = 372,360
12 × 31,030 = 372,360
15 × 24,824 = 372,360
20 × 18,618 = 372,360
24 × 15,515 = 372,360
29 × 12,840 = 372,360
30 × 12,412 = 372,360
40 × 9,309 = 372,360
58 × 6,420 = 372,360
60 × 6,206 = 372,360
87 × 4,280 = 372,360
107 × 3,480 = 372,360
116 × 3,210 = 372,360
120 × 3,103 = 372,360
145 × 2,568 = 372,360
174 × 2,140 = 372,360
214 × 1,740 = 372,360
232 × 1,605 = 372,360
290 × 1,284 = 372,360
321 × 1,160 = 372,360
348 × 1,070 = 372,360
428 × 870 = 372,360
435 × 856 = 372,360
535 × 696 = 372,360
580 × 642 = 372,360
32 unique multiplications The final answer:
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