Q: Is 1,501,820 a Prime Number?
A: No, 1,501,820 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 1501820 can be evenly divided by 1 2 4 5 10 20 61 122 244 305 610 1,220 1,231 2,462 4,924 6,155 12,310 24,620 75,091 150,182 300,364 375,455 750,910 and 1,501,820, with no remainder.
Since 1,501,820 cannot be divided by just 1 and 1,501,820, it is not a prime number.