Q: Is 2,451,400 a Composite Number?

Why is 2,451,400 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 2,451,400 can be evenly divided by 1 2 4 5 7 8 10 14 17 20 25 28 34 35 40 50 56 68 70 85 100 103 119 136 140 170 175 200 206 238 280 340 350 412 425 476 515 595 680 700 721 824 850 952 1,030 1,190 1,400 1,442 1,700 1,751 2,060 2,380 2,575 2,884 2,975 3,400 3,502 3,605 4,120 4,760 5,150 5,768 5,950 7,004 7,210 8,755 10,300 11,900 12,257 14,008 14,420 17,510 18,025 20,600 23,800 24,514 28,840 35,020 36,050 43,775 49,028 61,285 70,040 72,100 87,550 98,056 122,570 144,200 175,100 245,140 306,425 350,200 490,280 612,850 1,225,700 and 2,451,400, with no remainder.

Since 2,451,400 cannot be divided by just 1 and 2,451,400, 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).