Q: Is 2,156,742 a Composite Number?
A: Yes, 2,156,742 is a composite number.
The number 2,156,742 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 17,117 34,234 51,351 102,702 119,819 154,053 239,638 308,106 359,457 718,914 1,078,371 and 2,156,742, with no remainder.
Since 2,156,742 cannot be divided by just 1 and 2,156,742, it is a composite number.