Q: Is 636,120 a Prime Number?
A: No, 636,120 is 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 636120 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 27 30 31 36 38 40 45 54 57 60 62 72 76 90 93 95 108 114 120 124 135 152 155 171 180 186 190 216 228 248 270 279 285 310 342 360 372 380 456 465 513 540 558 570 589 620 684 744 760 837 855 930 1,026 1,080 1,116 1,140 1,178 1,240 1,368 1,395 1,674 1,710 1,767 1,860 2,052 2,232 2,280 2,356 2,565 2,790 2,945 3,348 3,420 3,534 3,720 4,104 4,185 4,712 5,130 5,301 5,580 5,890 6,696 6,840 7,068 8,370 8,835 10,260 10,602 11,160 11,780 14,136 15,903 16,740 17,670 20,520 21,204 23,560 26,505 31,806 33,480 35,340 42,408 53,010 63,612 70,680 79,515 106,020 127,224 159,030 212,040 318,060 and 636,120, with no remainder.
Since 636,120 cannot be divided by just 1 and 636,120, it is not a prime number.