Q: Is 357,420 a Composite Number?

Why is 357,420 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 357,420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 37 42 46 60 69 70 74 84 92 105 111 115 138 140 148 161 185 210 222 230 259 276 322 345 370 420 444 460 483 518 555 644 690 740 777 805 851 966 1,036 1,110 1,295 1,380 1,554 1,610 1,702 1,932 2,220 2,415 2,553 2,590 3,108 3,220 3,404 3,885 4,255 4,830 5,106 5,180 5,957 7,770 8,510 9,660 10,212 11,914 12,765 15,540 17,020 17,871 23,828 25,530 29,785 35,742 51,060 59,570 71,484 89,355 119,140 178,710 and 357,420, with no remainder.

Since 357,420 cannot be divided by just 1 and 357,420, 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).