Q: Is 1,642,920 a Prime Number?
A: No, 1,642,920 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 1642920 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 13,691 27,382 41,073 54,764 68,455 82,146 109,528 136,910 164,292 205,365 273,820 328,584 410,730 547,640 821,460 and 1,642,920, with no remainder.
Since 1,642,920 cannot be divided by just 1 and 1,642,920, it is not a prime number.