Q: Is 1,242,020 a Prime Number?
A: No, 1,242,020 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 1242020 can be evenly divided by 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 281 340 442 562 884 1,105 1,124 1,405 2,210 2,810 3,653 4,420 4,777 5,620 7,306 9,554 14,612 18,265 19,108 23,885 36,530 47,770 62,101 73,060 95,540 124,202 248,404 310,505 621,010 and 1,242,020, with no remainder.
Since 1,242,020 cannot be divided by just 1 and 1,242,020, it is not a prime number.