Q: Is 70,421,120 a Composite Number?

Why is 70,421,120 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 70,421,120 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 128 140 154 160 176 220 224 280 308 320 352 385 440 448 560 616 640 704 770 880 896 1,120 1,232 1,408 1,429 1,540 1,760 2,240 2,464 2,858 3,080 3,520 4,480 4,928 5,716 6,160 7,040 7,145 9,856 10,003 11,432 12,320 14,290 15,719 20,006 22,864 24,640 28,580 31,438 40,012 45,728 49,280 50,015 57,160 62,876 78,595 80,024 91,456 100,030 110,033 114,320 125,752 157,190 160,048 182,912 200,060 220,066 228,640 251,504 314,380 320,096 400,120 440,132 457,280 503,008 550,165 628,760 640,192 800,240 880,264 914,560 1,006,016 1,100,330 1,257,520 1,280,384 1,600,480 1,760,528 2,012,032 2,200,660 2,515,040 3,200,960 3,521,056 4,401,320 5,030,080 6,401,920 7,042,112 8,802,640 10,060,160 14,084,224 17,605,280 35,210,560 and 70,421,120, with no remainder.

Since 70,421,120 cannot be divided by just 1 and 70,421,120, 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).