Q: Is 145,872 a Prime Number?
A: No, 145,872 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 145872 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1,013 2,026 3,039 4,052 6,078 8,104 9,117 12,156 16,208 18,234 24,312 36,468 48,624 72,936 and 145,872, with no remainder.
Since 145,872 cannot be divided by just 1 and 145,872, it is not a prime number.