Q: Is 745,620 a Prime Number?
A: No, 745,620 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 745620 can be evenly divided by 1 2 3 4 5 6 10 12 15 17 20 30 34 43 51 60 68 85 86 102 129 170 172 204 215 255 258 289 340 430 510 516 578 645 731 860 867 1,020 1,156 1,290 1,445 1,462 1,734 2,193 2,580 2,890 2,924 3,468 3,655 4,335 4,386 5,780 7,310 8,670 8,772 10,965 12,427 14,620 17,340 21,930 24,854 37,281 43,860 49,708 62,135 74,562 124,270 149,124 186,405 248,540 372,810 and 745,620, with no remainder.
Since 745,620 cannot be divided by just 1 and 745,620, it is not a prime number.