Q: Is 135,712,200 a Prime Number?

Why is 135,712,200 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 135712200 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 20 24 25 26 30 39 40 50 52 60 65 75 78 100 104 120 127 130 137 150 156 195 200 254 260 274 300 312 325 381 390 411 508 520 548 600 635 650 685 762 780 822 975 1,016 1,096 1,270 1,300 1,370 1,524 1,560 1,644 1,651 1,781 1,905 1,950 2,055 2,540 2,600 2,740 3,048 3,175 3,288 3,302 3,425 3,562 3,810 3,900 4,110 4,953 5,080 5,343 5,480 6,350 6,604 6,850 7,124 7,620 7,800 8,220 8,255 8,905 9,525 9,906 10,275 10,686 12,700 13,208 13,700 14,248 15,240 16,440 16,510 17,399 17,810 19,050 19,812 20,550 21,372 24,765 25,400 26,715 27,400 33,020 34,798 35,620 38,100 39,624 41,100 41,275 42,744 44,525 49,530 52,197 53,430 66,040 69,596 71,240 76,200 82,200 82,550 86,995 89,050 99,060 104,394 106,860 123,825 133,575 139,192 165,100 173,990 178,100 198,120 208,788 213,720 226,187 247,650 260,985 267,150 330,200 347,980 356,200 417,576 434,975 452,374 495,300 521,970 534,300 678,561 695,960 869,950 904,748 990,600 1,043,940 1,068,600 1,130,935 1,304,925 1,357,122 1,739,900 1,809,496 2,087,880 2,261,870 2,609,850 2,714,244 3,392,805 3,479,800 4,523,740 5,219,700 5,428,488 5,654,675 6,785,610 9,047,480 10,439,400 11,309,350 13,571,220 16,964,025 22,618,700 27,142,440 33,928,050 45,237,400 67,856,100 and 135,712,200, with no remainder.

Since 135,712,200 cannot be divided by just 1 and 135,712,200, it is not a prime number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).