Q: Is 345,124,640 a Composite Number?

Why is 345,124,640 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 345,124,640 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 392 490 560 784 980 1,120 1,568 1,960 3,920 7,840 44,021 88,042 176,084 220,105 308,147 352,168 440,210 616,294 704,336 880,420 1,232,588 1,408,672 1,540,735 1,760,840 2,157,029 2,465,176 3,081,470 3,521,680 4,314,058 4,930,352 6,162,940 7,043,360 8,628,116 9,860,704 10,785,145 12,325,880 17,256,232 21,570,290 24,651,760 34,512,464 43,140,580 49,303,520 69,024,928 86,281,160 172,562,320 and 345,124,640, with no remainder.

Since 345,124,640 cannot be divided by just 1 and 345,124,640, 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).