Q: Is 162,440 a Prime Number?
A: No, 162,440 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 162440 can be evenly divided by 1 2 4 5 8 10 20 31 40 62 124 131 155 248 262 310 524 620 655 1,048 1,240 1,310 2,620 4,061 5,240 8,122 16,244 20,305 32,488 40,610 81,220 and 162,440, with no remainder.
Since 162,440 cannot be divided by just 1 and 162,440, it is not a prime number.