7 x 22 x 5 = 770
420 35 = 5 x 7 12 = 22 x 3 lcm = 22 x 3 x 5 x 7 = 420
3x + 7 = 22 Subtract '7' from both sides Hence 3x = 15 Divide both sides by '3' x = 5 The answer !!!
420 14 = 2 x 7 70 = 2 x 5 x 7 84 = 22 x 3 x 7 lcm = 22 x 3 x 5 x 7 = 420
22 x 5 x 7
700 = 2 * 2 * 5 * 5 * 7 = 22 * 52 * 7
The prime factors are: 2 x 2 x 5 x 7
The prime factors of 700 are 2 x 2 x 5 x 5 x 7 (or 22 x 52 x 7)
420 = 2 x 2 x 3 x 5 x 7 OR 22 x 3 x 5 x 7
420 = 22 x 3 x 5 x 7
4900 = 2 x 2 x 5 x 5 x 7 x 7 or 22 x 52 x 72
225,175,345,525,915,15
38,500 = 2 x 2 x 5 x 5 x 5 x 7 x 11 or 22 x 53 x 71 x 111