Q: Is 13,020,420 a Composite Number?

Why is 13,020,420 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 13,020,420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 29 30 35 42 58 60 70 84 87 105 116 140 145 174 203 210 290 348 406 420 435 580 609 812 870 1,015 1,069 1,218 1,740 2,030 2,138 2,436 3,045 3,207 4,060 4,276 5,345 6,090 6,414 7,483 10,690 12,180 12,828 14,966 16,035 21,380 22,449 29,932 31,001 32,070 37,415 44,898 62,002 64,140 74,830 89,796 93,003 112,245 124,004 149,660 155,005 186,006 217,007 224,490 310,010 372,012 434,014 448,980 465,015 620,020 651,021 868,028 930,030 1,085,035 1,302,042 1,860,060 2,170,070 2,604,084 3,255,105 4,340,140 6,510,210 and 13,020,420, with no remainder.

Since 13,020,420 cannot be divided by just 1 and 13,020,420, 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).