Q: Is 455,000 a Prime Number?
A: No, 455,000 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 455000 can be evenly divided by 1 2 4 5 7 8 10 13 14 20 25 26 28 35 40 50 52 56 65 70 91 100 104 125 130 140 175 182 200 250 260 280 325 350 364 455 500 520 625 650 700 728 875 910 1,000 1,250 1,300 1,400 1,625 1,750 1,820 2,275 2,500 2,600 3,250 3,500 3,640 4,375 4,550 5,000 6,500 7,000 8,125 8,750 9,100 11,375 13,000 16,250 17,500 18,200 22,750 32,500 35,000 45,500 56,875 65,000 91,000 113,750 227,500 and 455,000, with no remainder.
Since 455,000 cannot be divided by just 1 and 455,000, it is not a prime number.