Q: Is 202,201,200 a Prime Number?

Why is 202,201,200 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 202201200 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 400 450 600 720 900 1,200 1,800 3,600 56,167 112,334 168,501 224,668 280,835 337,002 449,336 505,503 561,670 674,004 842,505 898,672 1,011,006 1,123,340 1,348,008 1,404,175 1,685,010 2,022,012 2,246,680 2,527,515 2,696,016 2,808,350 3,370,020 4,044,024 4,212,525 4,493,360 5,055,030 5,616,700 6,740,040 8,088,048 8,425,050 10,110,060 11,233,400 12,637,575 13,480,080 16,850,100 20,220,120 22,466,800 25,275,150 33,700,200 40,440,240 50,550,300 67,400,400 101,100,600 and 202,201,200, with no remainder.

Since 202,201,200 cannot be divided by just 1 and 202,201,200, 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).