Q: Is 378,786,400 a Composite Number?

Why is 378,786,400 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 378,786,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 29 32 40 50 58 80 100 116 145 160 200 232 290 400 464 563 580 725 800 841 928 1,126 1,160 1,450 1,682 2,252 2,320 2,815 2,900 3,364 4,205 4,504 4,640 5,630 5,800 6,728 8,410 9,008 11,260 11,600 13,456 14,075 16,327 16,820 18,016 21,025 22,520 23,200 26,912 28,150 32,654 33,640 42,050 45,040 56,300 65,308 67,280 81,635 84,100 90,080 112,600 130,616 134,560 163,270 168,200 225,200 261,232 326,540 336,400 408,175 450,400 473,483 522,464 653,080 672,800 816,350 946,966 1,306,160 1,632,700 1,893,932 2,367,415 2,612,320 3,265,400 3,787,864 4,734,830 6,530,800 7,575,728 9,469,660 11,837,075 13,061,600 15,151,456 18,939,320 23,674,150 37,878,640 47,348,300 75,757,280 94,696,600 189,393,200 and 378,786,400, with no remainder.

Since 378,786,400 cannot be divided by just 1 and 378,786,400, 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).