Q: Is 1,207,820 a Prime Number?
A: No, 1,207,820 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 1207820 can be evenly divided by 1 2 4 5 10 20 131 262 461 524 655 922 1,310 1,844 2,305 2,620 4,610 9,220 60,391 120,782 241,564 301,955 603,910 and 1,207,820, with no remainder.
Since 1,207,820 cannot be divided by just 1 and 1,207,820, it is not a prime number.