All of them. 1x15,2x7.5, 3x5, 4x3.75, 5x3...
-17
The two numbers that add to equal -14 and multiply to equal -15 are -15 and 1. When you add them together, -15 + 1 equals -14. Their product, -15 × 1, equals -15.
Factors are numbers you can multiply together to get another number. 15: 1, 3, 5, 15
The whole number that you can multiply by to get 15 is 15.
30
17
-71
-127
141
22
-17
8
15
3 & 55, 5 & 33, 11 & 15
There is no answer to this. The factors of 15 are 1, 3, 5 and 15. The only numbers that add up to four are 1+3, 4+0 and 2+2.
To increase a number by 15 percent, multiply the number by 1.15. For example, 60 plus 15 percent is equal to 60 x 1.15 = 69.
Factors are numbers you can multiply together to get another number. 15: 1, 3, 5, 15