Question

3, 6, 18, 90, 630,..... what is next number

Answer 1

Answer:

3×2=6

6×3=18

18×5=90

90×7=630

630×11=6930

Just see here numbers are multiplied by prime numbers.

Hope it helps...

Answer 2

Answer:

6930

Step-by-step explanation:

First Term is 3

Second Term is 3 × 2 = 6

Third Term is 6 × 3 = 18

Fourth Term is 18 × 5 = 90

Fifth Term is 90 × 7 = 630

Here previous Term is multiplied by consecutive prime number to form new Term

Consecutive Prime Numbers are :

2, 3, 5, 7, 11, 13

Hence to make Next Term

630 × 11 = 6930