Q: Is 401,615,420 a Composite Number?

Why is 401,615,420 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 401,615,420 can be evenly divided by 1 2 4 5 10 20 23 46 67 83 92 115 134 157 166 230 268 314 332 335 415 460 628 670 785 830 1,340 1,541 1,570 1,660 1,909 3,082 3,140 3,611 3,818 5,561 6,164 7,222 7,636 7,705 9,545 10,519 11,122 13,031 14,444 15,410 18,055 19,090 21,038 22,244 26,062 27,805 30,820 36,110 38,180 42,076 52,124 52,595 55,610 65,155 72,220 105,190 111,220 127,903 130,310 210,380 241,937 255,806 260,620 299,713 483,874 511,612 599,426 639,515 873,077 967,748 1,198,852 1,209,685 1,279,030 1,498,565 1,746,154 2,419,370 2,558,060 2,997,130 3,492,308 4,365,385 4,838,740 5,994,260 8,730,770 17,461,540 20,080,771 40,161,542 80,323,084 100,403,855 200,807,710 and 401,615,420, with no remainder.

Since 401,615,420 cannot be divided by just 1 and 401,615,420, 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).