Q: Is 745,420 a Prime Number?
A: No, 745,420 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 745420 can be evenly divided by 1 2 4 5 10 13 20 26 47 52 61 65 94 122 130 188 235 244 260 305 470 610 611 793 940 1,220 1,222 1,586 2,444 2,867 3,055 3,172 3,965 5,734 6,110 7,930 11,468 12,220 14,335 15,860 28,670 37,271 57,340 74,542 149,084 186,355 372,710 and 745,420, with no remainder.
Since 745,420 cannot be divided by just 1 and 745,420, it is not a prime number.