Q: Is 77,740,400 a Composite Number?

Why is 77,740,400 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 77,740,400 can be evenly divided by 1 2 4 5 8 10 16 19 20 25 38 40 50 53 76 80 95 100 106 152 190 193 200 212 265 304 380 386 400 424 475 530 760 772 848 950 965 1,007 1,060 1,325 1,520 1,544 1,900 1,930 2,014 2,120 2,650 3,088 3,667 3,800 3,860 4,028 4,240 4,825 5,035 5,300 7,334 7,600 7,720 8,056 9,650 10,070 10,229 10,600 14,668 15,440 16,112 18,335 19,300 20,140 20,458 21,200 25,175 29,336 36,670 38,600 40,280 40,916 50,350 51,145 58,672 73,340 77,200 80,560 81,832 91,675 100,700 102,290 146,680 163,664 183,350 194,351 201,400 204,580 255,725 293,360 366,700 388,702 402,800 409,160 511,450 733,400 777,404 818,320 971,755 1,022,900 1,466,800 1,554,808 1,943,510 2,045,800 3,109,616 3,887,020 4,091,600 4,858,775 7,774,040 9,717,550 15,548,080 19,435,100 38,870,200 and 77,740,400, with no remainder.

Since 77,740,400 cannot be divided by just 1 and 77,740,400, 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).