Q: Is 1,240,620 a Prime Number?
A: No, 1,240,620 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 1240620 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 23 29 30 31 46 58 60 62 69 87 92 93 115 116 124 138 145 155 174 186 230 276 290 310 345 348 372 435 460 465 580 620 667 690 713 870 899 930 1,334 1,380 1,426 1,740 1,798 1,860 2,001 2,139 2,668 2,697 2,852 3,335 3,565 3,596 4,002 4,278 4,495 5,394 6,670 7,130 8,004 8,556 8,990 10,005 10,695 10,788 13,340 13,485 14,260 17,980 20,010 20,677 21,390 26,970 40,020 41,354 42,780 53,940 62,031 82,708 103,385 124,062 206,770 248,124 310,155 413,540 620,310 and 1,240,620, with no remainder.
Since 1,240,620 cannot be divided by just 1 and 1,240,620, it is not a prime number.