1188
They are: 3*3*3*11 = 297
3 4 5 6
-1
-7
-13
How about: 4*5*7 = 140
List numbers that multiply to make 28 and find their sums. Since negative times a negative is positive, list the negatives. -1, -28 = -29 -2, -14 = -15 -4, -7 = -11 Aha! -4 and -7 multiply to make 28 and add to -11; therefore, -4 and -7 are the two numbers.
As a product of its prime factors: 3*3*3*11 = 297
3 x 3 x 3 x 11 = 297
396
-1
-7
1, 3, 9, 11, 27, 33, 99, 297.
4 x 13 = 52
-28
How about: 4*5*7 = 140
-13
they multiply to a product
List numbers that multiply to make 28 and find their sums. Since negative times a negative is positive, list the negatives. -1, -28 = -29 -2, -14 = -15 -4, -7 = -11 Aha! -4 and -7 multiply to make 28 and add to -11; therefore, -4 and -7 are the two numbers.