Q: Is 423,000 a Prime Number?
A: No, 423,000 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 423000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 47 50 60 72 75 90 94 100 120 125 141 150 180 188 200 225 235 250 282 300 360 375 376 423 450 470 500 564 600 705 750 846 900 940 1,000 1,125 1,128 1,175 1,410 1,500 1,692 1,800 1,880 2,115 2,250 2,350 2,820 3,000 3,384 3,525 4,230 4,500 4,700 5,640 5,875 7,050 8,460 9,000 9,400 10,575 11,750 14,100 16,920 17,625 21,150 23,500 28,200 35,250 42,300 47,000 52,875 70,500 84,600 105,750 141,000 211,500 and 423,000, with no remainder.
Since 423,000 cannot be divided by just 1 and 423,000, it is not a prime number.