Question

3,4,15,80,567,......

Answer 1

1*2+2=2+2=4

4*3+3=12+3=15

15*5+5=75+5=80

80*7+7=560+7=567

2,3,5,7 are consecutive prime numbers.

The next prime number in the sequence of 2,3,5,7,….is 11

Hence the next number in the sequence

1,4,15,80,567, ….is

567*11+11= 6237+11=6248.

Answer 2

Hey mate here is your answer

1*2+2=2+2=4

4*3+3=12+3=15

15*5+5=75+5=80

80*7+7=560+7=567


2,3,5, 7,are consecutive prime number.

the next prime number in the sequence of 2,3,5,7.........is 11

Hence, the next number in sequence 1,4,15,80,56,......is:: 567*11+11=6237+11= 6248


Hope this answer is helpful for you

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