Q: Is 3,157,440 a Composite Number?

Why is 3,157,440 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 3,157,440 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 23 24 26 30 32 33 39 40 44 46 48 52 55 60 64 65 66 69 78 80 88 92 96 104 110 115 120 130 132 138 143 156 160 165 176 184 192 195 208 220 230 240 253 260 264 276 286 299 312 320 330 345 352 368 390 416 429 440 460 480 506 520 528 552 572 598 624 660 690 704 715 736 759 780 832 858 880 897 920 960 1,012 1,040 1,056 1,104 1,144 1,196 1,248 1,265 1,320 1,380 1,430 1,472 1,495 1,518 1,560 1,716 1,760 1,794 1,840 2,024 2,080 2,112 2,145 2,208 2,288 2,392 2,496 2,530 2,640 2,760 2,860 2,990 3,036 3,120 3,289 3,432 3,520 3,588 3,680 3,795 4,048 4,160 4,290 4,416 4,485 4,576 4,784 5,060 5,280 5,520 5,720 5,980 6,072 6,240 6,578 6,864 7,176 7,360 7,590 8,096 8,580 8,970 9,152 9,568 9,867 10,120 10,560 11,040 11,440 11,960 12,144 12,480 13,156 13,728 14,352 15,180 16,192 16,445 17,160 17,940 19,136 19,734 20,240 22,080 22,880 23,920 24,288 26,312 27,456 28,704 30,360 32,890 34,320 35,880 39,468 40,480 45,760 47,840 48,576 49,335 52,624 57,408 60,720 65,780 68,640 71,760 78,936 80,960 95,680 98,670 105,248 121,440 131,560 137,280 143,520 157,872 197,340 210,496 242,880 263,120 287,040 315,744 394,680 526,240 631,488 789,360 1,052,480 1,578,720 and 3,157,440, with no remainder.

Since 3,157,440 cannot be divided by just 1 and 3,157,440, 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).