List of Factor Pairs for 15
- 1 x 15 = 15.
- 3 x 5 = 15.
- 5 x 3 = 15.
- 15 x 1 = 15.
Contents
What all numbers make 15?
In this case, the pair factors of 15 are: 3 × 5 = 15, hence, (3,5) is a pair factor. 1 × 15 = 15 is also a pair factor. The positive pair factors of 15 are (1,15) and (3,5).
What 3 numbers add up to 15?
6 and 9, 7 and 8. Three numbers are 3, 5 and 7. 3 + 5 = 8, and 8 +7 = 15.
What two numbers add to 15 and subtract to 3?
2 Answers By Expert Tutors
9 and 6 do add up to 15 and their difference is 3. So the larger number is 9 and the smaller number is 15 – 9 = 6.
What two numbers go into 8 15?
GCF of 8 and 15 is the largest possible number that divides 8 and 15 exactly without any remainder. The factors of 8 and 15 are 1, 2, 4, 8 and 1, 3, 5, 15 respectively.
What is the multiple for 15?
Here is the list of all multiples: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375, 390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, 735, …
How do you equal 15?
List of Factor Pairs for 15
- 1 x 15 = 15.
- 3 x 5 = 15.
- 5 x 3 = 15.
- 15 x 1 = 15.
What consecutive numbers add up to 15?
Since the integers are consecutive, each is one more than the last. That means our first integer is 4 . Our second integer is 4+1 , or 5 , and our third integer is 5+1 , or 6 . Our answer is confirmed because 4+5+6=15 .
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 two numbers add up to 35 and have a difference of 15?
This simplifies to 15+2y=35 by adding the y’s. We can subtract 15 from both sides to get 2y=35-15, which is 2y=20. Then divide both sides by 2 to get y=10. This is one of the numbers!
What 2 numbers have a sum of 15 and a difference of 5?
Adding the 2 equations together. The 2 numbers are 5 and 10.
What is the common factor of and 15?
The common factors of 15 and 30 are 1, 3, 5, and 15. The greatest common factor is 15. Example: What is the greatest common factor of 9 and 20?
Whats the LCM of 8 and 15?
120
Answer: LCM of 8 and 15 is 120.
What is the simplest form of 8 by 15?
815 is already in the simplest form. It can be written as 0.533333 in decimal form (rounded to 6 decimal places).
What are the factors and multiples of 15?
Factors of 15 include 3 and 5; multiples of 15 include 30, 45, 60 (and more). See more below and at multiple.
What is a composite of 15?
Definitions
| factors of 10: | 1 x 10, 2 x 5 | 10 is composite |
|---|---|---|
| factors of 13: | 1 x 13 | 13 is prime |
| factors of 14: | 1 x 14, 2 x 7 | 14 is composite |
| factors of 15: | 1 x 15, 3 x 5 | 15 is composite |
| factors of 16 | 1 x 16, 4 x 4 | 16 is composite |
Is the number 15 prime or composite?
Is 15 a Composite Number? Yes, since 15 has more than two factors i.e. 1, 3, 5, 15. In other words, 15 is a composite number because 15 has more than 2 factors.
Is 15 a composite number?
The first few composite numbers (sometimes called “composites” for short) are 4, 6, 8, 9, 10, 12, 14, 15, 16,… Note that the number 1 is a special case which is considered to be neither composite nor prime.
What is the 15th multiple of 8?
Find the sum of the first 15 multiples of 8. Multiples of 8 are : 8, 16, 24, 32…..which form an A . P. Hence, the sum of first 15 multiples of 8 = 960.
What are the multiples of 15 and 20?
Step 1: List a few multiples of 15 (15, 30, 45, 60, 75, 90, 105, . . . ) and 20 (20, 40, 60, 80, 100, 120, . . . . ) Step 2: The common multiples from the multiples of 15 and 20 are 60, 120, . . . Step 3: The smallest common multiple of 15 and 20 is 60.
What is consecutive in maths?
Consecutive means following each other continuously in a series or a sequence. In Mathematics numbers that follow each other in a series are termed consecutive numbers.Consecutive numbers from 1 to 8 are 1, 2, 3, 4, 5, 6, 7, 8. Here the difference between each number is 1.