1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315
The factors of 315 are 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, and 315.
The factors of 49 are 1, 7, and 49. When you add them together you get 57, which is the sum.
Since 315 is a factor of 3150, all of its factors are common.
(1,315)(3,105) (5,63) (7,45) (9,35) (15,21)
No.
630
Prime numbers have only two factors, one and itself. The number 315 is a compositenumber because it has more factors than 1 and itself. You can find the factors of a number by starting with 1 and going on through the numbers until all the facors of a number are found. Like this: 1 X 315 2 will not divide evenly into 315, so is not a factor. No even numbers are factors of 315. 3 X 105 5 X 63 7 X 45 9 X 35 15 X 21 Listed in order, the factors of 315 are 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315.
Hi
Factors are numbers you can multiply together to get another number. Therefore, all the factors of 21 are as follows: 1,3,7,21.
No. Some proper factors are prime.
315
All prime squares have three factors.