Q: Is 420,047,600 a Composite Number?

Why is 420,047,600 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 420,047,600 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 29 35 40 49 50 56 58 70 80 98 100 112 116 140 145 175 196 200 203 232 245 280 290 350 392 400 406 464 490 560 580 700 725 739 784 812 980 1,015 1,160 1,225 1,400 1,421 1,450 1,478 1,624 1,960 2,030 2,320 2,450 2,800 2,842 2,900 2,956 3,248 3,695 3,920 4,060 4,900 5,075 5,173 5,684 5,800 5,912 7,105 7,390 8,120 9,800 10,150 10,346 11,368 11,600 11,824 14,210 14,780 16,240 18,475 19,600 20,300 20,692 21,431 22,736 25,865 28,420 29,560 35,525 36,211 36,950 40,600 41,384 42,862 51,730 56,840 59,120 71,050 72,422 73,900 81,200 82,768 85,724 103,460 107,155 113,680 129,325 142,100 144,844 147,800 150,017 171,448 181,055 206,920 214,310 258,650 284,200 289,688 295,600 300,034 342,896 362,110 413,840 428,620 517,300 535,775 568,400 579,376 600,068 724,220 750,085 857,240 905,275 1,034,600 1,050,119 1,071,550 1,200,136 1,448,440 1,500,170 1,714,480 1,810,550 2,069,200 2,100,238 2,143,100 2,400,272 2,896,880 3,000,340 3,621,100 3,750,425 4,200,476 4,286,200 5,250,595 6,000,680 7,242,200 7,500,850 8,400,952 8,572,400 10,501,190 12,001,360 14,484,400 15,001,700 16,801,904 21,002,380 26,252,975 30,003,400 42,004,760 52,505,950 60,006,800 84,009,520 105,011,900 210,023,800 and 420,047,600, with no remainder.

Since 420,047,600 cannot be divided by just 1 and 420,047,600, 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).