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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.

Q: What is the sequence of 107 214 642 2568 12840?

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77,040 because 107 x 2 = 214 214 x 3 = 642 642 x 4 = 2568 2568 x 5 = 12840 12840 x 6 = 77040

77040

It could be: 2*214 = 428

77 040 539 280 4 314 240 38 828 160 388 281 600

The four multiples of 107 are 107, 214, 321, and 428.

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77,040 because 107 x 2 = 214 214 x 3 = 642 642 x 4 = 2568 2568 x 5 = 12840 12840 x 6 = 77040

77,040

77,040 That is correct, because... 107 x 2 = 214 214 x 3 = 642 642 x 4 = 2568 2568 x 5 = 12840 12840 x 6 = 77040

The next number is 77040. Solution: 107 x 2 = 214x 3 = 642 x 4 = 2568 x 5 = 12840 x 6 = 77040

77040

If the fourth term were 2568 there is a simple answer, but with the series going up and down, I have no clue.

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!

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

77040

It could be: 2*214 = 428

77 040 539 280 4 314 240 38 828 160 388 281 600

107