-331
-56 and 5
-313
28 x 10
1 x 280, 2 x 140, 4 x 70, 5 x 56, 7 x 40, 8 x 35, 10 x 28, 14 x 20.
323
280 multiplied by 20 is 5,600.
14 multiplied by 280 is 3,920.
none.
56 multiplied by 5 is 280.
35 multiplied by 8 is 280
-313
The prime factorization of 280 is: 2 x 140 2 x 2 x 70 2 x 2 x 2 x 35 2 x 2 x 2 x 5 x 7. The three prime factors of 280 are 2, 5, 7.
140 multiplied by 2 28 multiplied by 10 There are many more ways to multiply to get 280.