Q: Is 4,578,420 a Composite Number?

Why is 4,578,420 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 4,578,420 can be evenly divided by 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 132 140 154 165 210 220 231 308 330 385 420 462 660 770 924 991 1,155 1,540 1,982 2,310 2,973 3,964 4,620 4,955 5,946 6,937 9,910 10,901 11,892 13,874 14,865 19,820 20,811 21,802 27,748 29,730 32,703 34,685 41,622 43,604 54,505 59,460 65,406 69,370 76,307 83,244 104,055 109,010 130,812 138,740 152,614 163,515 208,110 218,020 228,921 305,228 327,030 381,535 416,220 457,842 654,060 763,070 915,684 1,144,605 1,526,140 2,289,210 and 4,578,420, with no remainder.

Since 4,578,420 cannot be divided by just 1 and 4,578,420, 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).