Table of Factors and Multiples
| Factors | Multiples | |
|---|---|---|
| 1, 13 | 13 | 65 |
| 1, 2, 7, 14 | 14 | 70 |
| 1, 3, 5, 15 | 15 | 75 |
| 1, 2, 4, 8, 16 | 16 | 80 |
What are factors 21?
The factors of 21 are 1, 3, 7, 21 and its negative factors are -1, -3, -7, -21.
What are the 10 multiples of 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, …
What are the factors of 15 and 20?
GCF of 15 and 20 is the largest possible number that divides 15 and 20 exactly without any remainder. The factors of 15 and 20 are 1, 3, 5, 15 and 1, 2, 4, 5, 10, 20 respectively. There are 3 commonly used methods to find the GCF of 15 and 20 – prime factorization, long division, and Euclidean algorithm.
What are the factors of 15 and 21?
GCF of 15 and 21 is the largest possible number that divides 15 and 21 exactly without any remainder. The factors of 15 and 21 are 1, 3, 5, 15 and 1, 3, 7, 21 respectively. There are 3 commonly used methods to find the GCF of 15 and 21 – long division, Euclidean algorithm, and prime factorization.
What are the common factors of 7 and 21?
GCF of 7 and 21 is the largest possible number that divides 7 and 21 exactly without any remainder. The factors of 7 and 21 are 1, 7 and 1, 3, 7, 21 respectively. There are 3 commonly used methods to find the GCF of 7 and 21 – long division, prime factorization, and Euclidean algorithm.
What are 5 multiples of 15?
The first 5 multiples of 15 are 15, 30, 45, 60 and 90.
What are the multiples of 15 and 30?
The LCM of 15 and 30 is 30. To find the LCM (least common multiple) of 15 and 30, we need to find the multiples of 15 and 30 (multiples of 15 = 15, 30, 45, 60; multiples of 30 = 30, 60, 90, 120) and choose the smallest multiple that is exactly divisible by 15 and 30, i.e., 30.
What are the factors to 20?
Factors of 20
- Factors of 20: 1, 2, 4, 5, 10 and 20.
- Negative Factors of 20: -1, -2, -4, -5, -10 and -20.
- Prime Factors of 20: 2, 5.
- Prime Factorization of 20: 2 × 2 × 5 = 22 × 5.
- Sum of Factors of 20: 42.
What are the common factors of 15 and 25?
There are 2 common factors of 15 and 25, that are 1 and 5. Therefore, the greatest common factor of 15 and 25 is 5.
