Q: Is 1,512,420 a Composite Number?

Why is 1,512,420 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 1,512,420 can be evenly divided by 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 277 364 390 420 455 546 554 780 831 910 1,092 1,108 1,365 1,385 1,662 1,820 1,939 2,730 2,770 3,324 3,601 3,878 4,155 5,460 5,540 5,817 7,202 7,756 8,310 9,695 10,803 11,634 14,404 16,620 18,005 19,390 21,606 23,268 25,207 29,085 36,010 38,780 43,212 50,414 54,015 58,170 72,020 75,621 100,828 108,030 116,340 126,035 151,242 216,060 252,070 302,484 378,105 504,140 756,210 and 1,512,420, with no remainder.

Since 1,512,420 cannot be divided by just 1 and 1,512,420, 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).