To find all the divisors of the number 4,299,999,980:
- 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 4,299,999,980:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
4,299,999,980 = 22 × 5 × 71 × 631 × 4,799
4,299,999,980 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 4,299,999,980
- 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 =
71
composite factor = 2 × 71 =
142
composite factor = 2
2 × 71 =
284
composite factor = 5 × 71 =
355
prime factor =
631
composite factor = 2 × 5 × 71 =
710
composite factor = 2 × 631 =
1,262
composite factor = 2
2 × 5 × 71 =
1,420
composite factor = 2
2 × 631 =
2,524
composite factor = 5 × 631 =
3,155
prime factor =
4,799
composite factor = 2 × 5 × 631 =
6,310
composite factor = 2 × 4,799 =
9,598
composite factor = 2
2 × 5 × 631 =
12,620
composite factor = 2
2 × 4,799 =
19,196
composite factor = 5 × 4,799 =
23,995
composite factor = 71 × 631 =
44,801
composite factor = 2 × 5 × 4,799 =
47,990
This list continues below...
... This list continues from above
composite factor = 2 × 71 × 631 =
89,602
composite factor = 2
2 × 5 × 4,799 =
95,980
composite factor = 2
2 × 71 × 631 =
179,204
composite factor = 5 × 71 × 631 =
224,005
composite factor = 71 × 4,799 =
340,729
composite factor = 2 × 5 × 71 × 631 =
448,010
composite factor = 2 × 71 × 4,799 =
681,458
composite factor = 2
2 × 5 × 71 × 631 =
896,020
composite factor = 2
2 × 71 × 4,799 =
1,362,916
composite factor = 5 × 71 × 4,799 =
1,703,645
composite factor = 631 × 4,799 =
3,028,169
composite factor = 2 × 5 × 71 × 4,799 =
3,407,290
composite factor = 2 × 631 × 4,799 =
6,056,338
composite factor = 2
2 × 5 × 71 × 4,799 =
6,814,580
composite factor = 2
2 × 631 × 4,799 =
12,112,676
composite factor = 5 × 631 × 4,799 =
15,140,845
composite factor = 2 × 5 × 631 × 4,799 =
30,281,690
composite factor = 2
2 × 5 × 631 × 4,799 =
60,563,380
composite factor = 71 × 631 × 4,799 =
214,999,999
composite factor = 2 × 71 × 631 × 4,799 =
429,999,998
composite factor = 2
2 × 71 × 631 × 4,799 =
859,999,996
composite factor = 5 × 71 × 631 × 4,799 =
1,074,999,995
composite factor = 2 × 5 × 71 × 631 × 4,799 =
2,149,999,990
composite factor = 2
2 × 5 × 71 × 631 × 4,799 =
4,299,999,980
48 factors (divisors)
What times what is 4,299,999,980?
What number multiplied by what number equals 4,299,999,980?
All the combinations of any two natural numbers whose product equals 4,299,999,980.
1 × 4,299,999,980 = 4,299,999,980
2 × 2,149,999,990 = 4,299,999,980
4 × 1,074,999,995 = 4,299,999,980
5 × 859,999,996 = 4,299,999,980
10 × 429,999,998 = 4,299,999,980
20 × 214,999,999 = 4,299,999,980
71 × 60,563,380 = 4,299,999,980
142 × 30,281,690 = 4,299,999,980
284 × 15,140,845 = 4,299,999,980
355 × 12,112,676 = 4,299,999,980
631 × 6,814,580 = 4,299,999,980
710 × 6,056,338 = 4,299,999,980
1,262 × 3,407,290 = 4,299,999,980
1,420 × 3,028,169 = 4,299,999,980
2,524 × 1,703,645 = 4,299,999,980
3,155 × 1,362,916 = 4,299,999,980
4,799 × 896,020 = 4,299,999,980
6,310 × 681,458 = 4,299,999,980
9,598 × 448,010 = 4,299,999,980
12,620 × 340,729 = 4,299,999,980
19,196 × 224,005 = 4,299,999,980
23,995 × 179,204 = 4,299,999,980
44,801 × 95,980 = 4,299,999,980
47,990 × 89,602 = 4,299,999,980
24 unique multiplications The final answer:
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