Q: Is 1,191,040 a Prime Number?
A: No, 1,191,040 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 1191040 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1,861 3,722 7,444 9,305 14,888 18,610 29,776 37,220 59,552 74,440 119,104 148,880 238,208 297,760 595,520 and 1,191,040, with no remainder.
Since 1,191,040 cannot be divided by just 1 and 1,191,040, it is not a prime number.