Q: Is 2,421,000 a Prime Number?
A: No, 2,421,000 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 2421000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 269 300 360 375 450 500 538 600 750 807 900 1,000 1,076 1,125 1,345 1,500 1,614 1,800 2,152 2,250 2,421 2,690 3,000 3,228 4,035 4,500 4,842 5,380 6,456 6,725 8,070 9,000 9,684 10,760 12,105 13,450 16,140 19,368 20,175 24,210 26,900 32,280 33,625 40,350 48,420 53,800 60,525 67,250 80,700 96,840 100,875 121,050 134,500 161,400 201,750 242,100 269,000 302,625 403,500 484,200 605,250 807,000 1,210,500 and 2,421,000, with no remainder.
Since 2,421,000 cannot be divided by just 1 and 2,421,000, it is not a prime number.