Q: Is 221,001,020 a Composite Number?

Why is 221,001,020 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 221,001,020 can be evenly divided by 1 2 4 5 10 17 20 23 34 46 59 68 85 92 115 118 170 230 236 295 340 391 460 479 590 782 958 1,003 1,180 1,357 1,564 1,916 1,955 2,006 2,395 2,714 3,910 4,012 4,790 5,015 5,428 6,785 7,820 8,143 9,580 10,030 11,017 13,570 16,286 20,060 22,034 23,069 27,140 28,261 32,572 40,715 44,068 46,138 55,085 56,522 81,430 92,276 110,170 113,044 115,345 141,305 162,860 187,289 220,340 230,690 282,610 374,578 461,380 480,437 565,220 650,003 749,156 936,445 960,874 1,300,006 1,872,890 1,921,748 2,402,185 2,600,012 3,250,015 3,745,780 4,804,370 6,500,030 9,608,740 11,050,051 13,000,060 22,100,102 44,200,204 55,250,255 110,500,510 and 221,001,020, with no remainder.

Since 221,001,020 cannot be divided by just 1 and 221,001,020, 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).