Q: Is 1,627,128 a Prime Number?
A: No, 1,627,128 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 1627128 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 81 93 108 124 162 186 216 243 248 279 324 372 486 558 648 729 744 837 972 1,116 1,458 1,674 1,944 2,187 2,232 2,511 2,916 3,348 4,374 5,022 5,832 6,561 6,696 7,533 8,748 10,044 13,122 15,066 17,496 20,088 22,599 26,244 30,132 45,198 52,488 60,264 67,797 90,396 135,594 180,792 203,391 271,188 406,782 542,376 813,564 and 1,627,128, with no remainder.
Since 1,627,128 cannot be divided by just 1 and 1,627,128, it is not a prime number.