Q: Is 400,172,640 a Composite Number?

Why is 400,172,640 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 400,172,640 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1,120 1,680 3,360 119,099 238,198 357,297 476,396 595,495 714,594 833,693 952,792 1,190,990 1,429,188 1,667,386 1,786,485 1,905,584 2,381,980 2,501,079 2,858,376 3,334,772 3,572,970 3,811,168 4,168,465 4,763,960 5,002,158 5,716,752 6,669,544 7,145,940 8,336,930 9,527,920 10,004,316 11,433,504 12,505,395 13,339,088 14,291,880 16,673,860 19,055,840 20,008,632 25,010,790 26,678,176 28,583,760 33,347,720 40,017,264 50,021,580 57,167,520 66,695,440 80,034,528 100,043,160 133,390,880 200,086,320 and 400,172,640, with no remainder.

Since 400,172,640 cannot be divided by just 1 and 400,172,640, 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).