Q: Is 403,000 a Prime Number?
A: No, 403,000 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 403000 can be evenly divided by 1 2 4 5 8 10 13 20 25 26 31 40 50 52 62 65 100 104 124 125 130 155 200 248 250 260 310 325 403 500 520 620 650 775 806 1,000 1,240 1,300 1,550 1,612 1,625 2,015 2,600 3,100 3,224 3,250 3,875 4,030 6,200 6,500 7,750 8,060 10,075 13,000 15,500 16,120 20,150 31,000 40,300 50,375 80,600 100,750 201,500 and 403,000, with no remainder.
Since 403,000 cannot be divided by just 1 and 403,000, it is not a prime number.