Q: Is 1,971,270 a Composite Number?

Why is 1,971,270 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,971,270 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 90 98 105 126 135 147 149 189 210 245 270 294 298 315 378 441 447 490 630 735 745 882 894 945 1,043 1,323 1,341 1,470 1,490 1,890 2,086 2,205 2,235 2,646 2,682 3,129 4,023 4,410 4,470 5,215 6,258 6,615 6,705 7,301 8,046 9,387 10,430 13,230 13,410 14,602 15,645 18,774 20,115 21,903 28,161 31,290 36,505 40,230 43,806 46,935 56,322 65,709 73,010 93,870 109,515 131,418 140,805 197,127 219,030 281,610 328,545 394,254 657,090 985,635 and 1,971,270, with no remainder.

Since 1,971,270 cannot be divided by just 1 and 1,971,270, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).