Q: Is 1,641,240 a Composite Number?

Why is 1,641,240 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 1,641,240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 47 60 72 90 94 97 120 141 180 188 194 235 282 291 360 376 388 423 470 485 564 582 705 776 846 873 940 970 1,128 1,164 1,410 1,455 1,692 1,746 1,880 1,940 2,115 2,328 2,820 2,910 3,384 3,492 3,880 4,230 4,365 4,559 5,640 5,820 6,984 8,460 8,730 9,118 11,640 13,677 16,920 17,460 18,236 22,795 27,354 34,920 36,472 41,031 45,590 54,708 68,385 82,062 91,180 109,416 136,770 164,124 182,360 205,155 273,540 328,248 410,310 547,080 820,620 and 1,641,240, with no remainder.

Since 1,641,240 cannot be divided by just 1 and 1,641,240, 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).