Q: Is 5,145,840 a Composite Number?

Why is 5,145,840 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 5,145,840 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 240 252 280 315 336 360 420 504 560 630 720 840 1,008 1,021 1,260 1,680 2,042 2,520 3,063 4,084 5,040 5,105 6,126 7,147 8,168 9,189 10,210 12,252 14,294 15,315 16,336 18,378 20,420 21,441 24,504 28,588 30,630 35,735 36,756 40,840 42,882 45,945 49,008 57,176 61,260 64,323 71,470 73,512 81,680 85,764 91,890 107,205 114,352 122,520 128,646 142,940 147,024 171,528 183,780 214,410 245,040 257,292 285,880 321,615 343,056 367,560 428,820 514,584 571,760 643,230 735,120 857,640 1,029,168 1,286,460 1,715,280 2,572,920 and 5,145,840, with no remainder.

Since 5,145,840 cannot be divided by just 1 and 5,145,840, 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).