3
214
1/3 of 642 is 214.
Divide 642 by 3. This equals 214.
It's 214.
77,040 because 107 x 2 = 214 214 x 3 = 642 642 x 4 = 2568 2568 x 5 = 12840 12840 x 6 = 77040
multiply by 1 higher number each time 214 / 107 = 2 642 / 214 = 3 2,568 / 642 = 4 12,840 / 2,568 = 5 so 6 x 12,840 = 77,040 next
642 is composite. It is divisible by 2, 3, 107, 214, and 321.
77040. It goes like, 107 * 2 = 214 214 * 3 = 642 642 * 4 = 2568, and so on. x * a(+1) = (a new)x Except that the word "completes" would suggest that there are no more terms. Not true!
26.75
Each number is multiplied by an incrementing value. 107 is multiplied by 2, 214 is multiplied by 3, 642 is multiplied by 4 and so on.
91.7143
15.2857