Q: Is 138,740 a Prime Number?
A: No, 138,740 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 138740 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 991 1,982 3,964 4,955 6,937 9,910 13,874 19,820 27,748 34,685 69,370 and 138,740, with no remainder.
Since 138,740 cannot be divided by just 1 and 138,740, it is not a prime number.