Q: Is 131,440 a Prime Number?
A: No, 131,440 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 131440 can be evenly divided by 1 2 4 5 8 10 16 20 31 40 53 62 80 106 124 155 212 248 265 310 424 496 530 620 848 1,060 1,240 1,643 2,120 2,480 3,286 4,240 6,572 8,215 13,144 16,430 26,288 32,860 65,720 and 131,440, with no remainder.
Since 131,440 cannot be divided by just 1 and 131,440, it is not a prime number.