To find all the divisors of the number 3,000,000,860:
- 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 3,000,000,860:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
3,000,000,860 = 22 × 5 × 23 × 139 × 46,919
3,000,000,860 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) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 3,000,000,860
- 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 =
5
composite factor = 2 × 5 =
10
composite factor = 2
2 × 5 =
20
prime factor =
23
composite factor = 2 × 23 =
46
composite factor = 2
2 × 23 =
92
composite factor = 5 × 23 =
115
prime factor =
139
composite factor = 2 × 5 × 23 =
230
composite factor = 2 × 139 =
278
composite factor = 2
2 × 5 × 23 =
460
composite factor = 2
2 × 139 =
556
composite factor = 5 × 139 =
695
composite factor = 2 × 5 × 139 =
1,390
composite factor = 2
2 × 5 × 139 =
2,780
composite factor = 23 × 139 =
3,197
composite factor = 2 × 23 × 139 =
6,394
composite factor = 2
2 × 23 × 139 =
12,788
composite factor = 5 × 23 × 139 =
15,985
composite factor = 2 × 5 × 23 × 139 =
31,970
prime factor =
46,919
This list continues below...
... This list continues from above
composite factor = 2
2 × 5 × 23 × 139 =
63,940
composite factor = 2 × 46,919 =
93,838
composite factor = 2
2 × 46,919 =
187,676
composite factor = 5 × 46,919 =
234,595
composite factor = 2 × 5 × 46,919 =
469,190
composite factor = 2
2 × 5 × 46,919 =
938,380
composite factor = 23 × 46,919 =
1,079,137
composite factor = 2 × 23 × 46,919 =
2,158,274
composite factor = 2
2 × 23 × 46,919 =
4,316,548
composite factor = 5 × 23 × 46,919 =
5,395,685
composite factor = 139 × 46,919 =
6,521,741
composite factor = 2 × 5 × 23 × 46,919 =
10,791,370
composite factor = 2 × 139 × 46,919 =
13,043,482
composite factor = 2
2 × 5 × 23 × 46,919 =
21,582,740
composite factor = 2
2 × 139 × 46,919 =
26,086,964
composite factor = 5 × 139 × 46,919 =
32,608,705
composite factor = 2 × 5 × 139 × 46,919 =
65,217,410
composite factor = 2
2 × 5 × 139 × 46,919 =
130,434,820
composite factor = 23 × 139 × 46,919 =
150,000,043
composite factor = 2 × 23 × 139 × 46,919 =
300,000,086
composite factor = 2
2 × 23 × 139 × 46,919 =
600,000,172
composite factor = 5 × 23 × 139 × 46,919 =
750,000,215
composite factor = 2 × 5 × 23 × 139 × 46,919 =
1,500,000,430
composite factor = 2
2 × 5 × 23 × 139 × 46,919 =
3,000,000,860
48 factors (divisors)
What times what is 3,000,000,860?
What number multiplied by what number equals 3,000,000,860?
All the combinations of any two natural numbers whose product equals 3,000,000,860.
1 × 3,000,000,860 = 3,000,000,860
2 × 1,500,000,430 = 3,000,000,860
4 × 750,000,215 = 3,000,000,860
5 × 600,000,172 = 3,000,000,860
10 × 300,000,086 = 3,000,000,860
20 × 150,000,043 = 3,000,000,860
23 × 130,434,820 = 3,000,000,860
46 × 65,217,410 = 3,000,000,860
92 × 32,608,705 = 3,000,000,860
115 × 26,086,964 = 3,000,000,860
139 × 21,582,740 = 3,000,000,860
230 × 13,043,482 = 3,000,000,860
278 × 10,791,370 = 3,000,000,860
460 × 6,521,741 = 3,000,000,860
556 × 5,395,685 = 3,000,000,860
695 × 4,316,548 = 3,000,000,860
1,390 × 2,158,274 = 3,000,000,860
2,780 × 1,079,137 = 3,000,000,860
3,197 × 938,380 = 3,000,000,860
6,394 × 469,190 = 3,000,000,860
12,788 × 234,595 = 3,000,000,860
15,985 × 187,676 = 3,000,000,860
31,970 × 93,838 = 3,000,000,860
46,919 × 63,940 = 3,000,000,860
24 unique multiplications The final answer:
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