Q: Is 121,355,136 a Composite Number?

Why is 121,355,136 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 121,355,136 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 101 112 126 128 144 149 168 192 202 224 252 288 298 303 336 384 404 447 448 504 576 596 606 672 707 808 894 896 909 1,008 1,043 1,152 1,192 1,212 1,341 1,344 1,414 1,616 1,788 1,818 2,016 2,086 2,121 2,384 2,424 2,682 2,688 2,828 3,129 3,232 3,576 3,636 4,032 4,172 4,242 4,768 4,848 5,364 5,656 6,258 6,363 6,464 7,152 7,272 8,064 8,344 8,484 9,387 9,536 9,696 10,728 11,312 12,516 12,726 12,928 14,304 14,544 15,049 16,688 16,968 18,774 19,072 19,392 21,456 22,624 25,032 25,452 28,608 29,088 30,098 33,376 33,936 37,548 38,784 42,912 45,147 45,248 50,064 50,904 57,216 58,176 60,196 66,752 67,872 75,096 85,824 90,294 90,496 100,128 101,808 105,343 116,352 120,392 133,504 135,441 135,744 150,192 171,648 180,588 200,256 203,616 210,686 240,784 270,882 271,488 300,384 316,029 361,176 400,512 407,232 421,372 481,568 541,764 600,768 632,058 722,352 814,464 842,744 948,087 963,136 1,083,528 1,201,536 1,264,116 1,444,704 1,685,488 1,896,174 1,926,272 2,167,056 2,528,232 2,889,408 3,370,976 3,792,348 4,334,112 5,056,464 5,778,816 6,741,952 7,584,696 8,668,224 10,112,928 13,483,904 15,169,392 17,336,448 20,225,856 30,338,784 40,451,712 60,677,568 and 121,355,136, with no remainder.

Since 121,355,136 cannot be divided by just 1 and 121,355,136, 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).