Q: Is 641,700 a Composite Number?

Why is 641,700 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 641,700 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 23 25 30 31 36 45 46 50 60 62 69 75 90 92 93 100 115 124 138 150 155 180 186 207 225 230 276 279 300 310 345 372 414 450 460 465 558 575 620 690 713 775 828 900 930 1,035 1,116 1,150 1,380 1,395 1,426 1,550 1,725 1,860 2,070 2,139 2,300 2,325 2,790 2,852 3,100 3,450 3,565 4,140 4,278 4,650 5,175 5,580 6,417 6,900 6,975 7,130 8,556 9,300 10,350 10,695 12,834 13,950 14,260 17,825 20,700 21,390 25,668 27,900 32,085 35,650 42,780 53,475 64,170 71,300 106,950 128,340 160,425 213,900 320,850 and 641,700, with no remainder.

Since 641,700 cannot be divided by just 1 and 641,700, 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).