Q: Is 1,203,420 a Prime Number?
A: No, 1,203,420 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 1203420 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 647 930 1,294 1,860 1,941 2,588 3,235 3,882 6,470 7,764 9,705 12,940 19,410 20,057 38,820 40,114 60,171 80,228 100,285 120,342 200,570 240,684 300,855 401,140 601,710 and 1,203,420, with no remainder.
Since 1,203,420 cannot be divided by just 1 and 1,203,420, it is not a prime number.