It’s obvious that 9+6, 6+9, 8+7 and 7+8 have sums of 15.
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What two numbers equal 15?
1 x 15 = 15. 3 x 5 = 15.
What numbers make up 15?
The factors of 15 are 1, 3, 5, and 15.
What three numbers add up to 15?
If you meant sets of 3 different positive integers that add up to 15, the list is short enough. I counted 11: 1+2+12, 1+3+11, 1+4+10, 1+5+9, 1+6+8, 2+3+10, 2+4+9, 2+7+8, 2+6+7, 3+4+8, 3+5+7..
How many combinations are there with 15 numbers?
If you are looking for the maximum combinations with repeats the number is 9 * 10^14 which = 900,000,000,000,000, but if looking for no repeats the answer is as follows. 15!/ (15- 10)! 10,897,286,400 but this is the maximum number of combinations that the digits do not repeat.
What are the prime factor of 15?
So, the prime factorization of 15 is 3 × 5, where 3 and 5 both are prime numbers.
How do you find all the factors of 15?
15 = 1 x 15 or 3 x 5. Factors of 15: 1, 3, 5, 15.
What is the additive inverse of 15?
The additive inverse of (-15) is (+15). Remember additive inverse of any number is the number itself with change is that change its sign (positive or negative).
What are the multiples of the factors of 15?
Factors of 15 include 3 and 5; multiples of 15 include 30, 45, 60 (and more).
What two numbers have a sum of 15 and a difference of one?
So 7 plus 8 will give you 15 and when you subtract 7 from 8 that will give you 1.
What is the number puzzle?
Number puzzles have specific set of rules, you first has to figure out the pattern being followed and then answer the puzzle according to the pattern. Number puzzles are a part of many competitive examinations, these also helps you improve your logical thinking and above all these are fun to crack !!!
How many ways can you arrange 15 numbers?
Wow that’s 1 Quadrillion.
How much is a 15 digit number?
Numbers Bigger Than a Trillion
| Name | Number of Zeros | Groups of (3) Zeros |
|---|---|---|
| Million | 6 | 2 (1,000,000) |
| Billion | 9 | 3 (1,000,000,000) |
| Trillion | 12 | 4 (1,000,000,000,000) |
| Quadrillion | 15 | 5 |
Can a phone number have 15 digits?
A telephone number can have a maximum of 15 digits. The first part of the telephone number is the country code (one to three digits)
What is the smallest factor of 15?
As we can see 1 is the smallest number. So 1 is the smallest factor of 15.
What is the product of the factors of 15?
Because 1 × 15 = 15 and 3 × 5 = 15. Hence, considering 15 as a product of primes, only the 4 numbers mentioned are called the factors of 15.
What do numbers with 15 factors look like?
Table of Factors and Multiples
| Factors | Multiples | |
|---|---|---|
| 1, 13 | 13 | 104 |
| 1, 2, 7, 14 | 14 | 112 |
| 1, 3, 5, 15 | 15 | 120 |
| 1, 2, 4, 8, 16 | 16 | 128 |
What is the inverse of 15 in Mod 26?
7
So, the inverse of 15 modulo 26 is 7 (and the inverse of 7 modulo 26 is 15).
What is the multiplicative inverse of /- 15?
So the multiplicative inverse of given number is -1/15.
What is the additive inverse of the sum of 7 and 15?
So additive inverse of 7/15 is equal 15/7…..
What are multiples of 15?
Just like the multiples of 15 are 15, 30, 45, 60, 90, 225 and so on, on the contrary 1, 2, 3, 4, 6 and 15 are factors of 15.