Q: Is 1,501,220 a Prime Number?
A: No, 1,501,220 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 1501220 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 10,723 21,446 42,892 53,615 75,061 107,230 150,122 214,460 300,244 375,305 750,610 and 1,501,220, with no remainder.
Since 1,501,220 cannot be divided by just 1 and 1,501,220, it is not a prime number.