945 = 33 x 5 x 7
945 315,3 105,3,3 35,3,3,3 7,5,3,3,3
945 315,3 105,3,3 35,3,3,3 7,5,3,3,3 3 x 3 x 3 x 5 x 7 = 945
As a product of its prime factors: 3*3*3*5*7 = 945
21 and 5
945/5=189
189
5 times 189 equals 945. You can tell 945 is composite because it ends in a 5. That means if you keep counting by 5's and you count 5 189 times, you should get 945!
3 x 3 x 3 x 5 x 7 = 945 33 x 5 x 7 = 945
3 x 3 x 3 x 5 x 7 = 945
907 + 31 + 5 + 2 = 945
945 = 33 x 5 x 7
The factors of 945 are 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945. The prime factors of 945 are 3, 5, and 7.
945 315,3 105,3,3 35,3,3,3 7,5,3,3,3
As a product of its prime factors: 3*3*3*5*7 = 945
5
No. 5 is a multiple of it.