Q: Is 2,438,720 a Prime Number?
A: No, 2,438,720 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 2438720 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 7,621 15,242 30,484 38,105 60,968 76,210 121,936 152,420 243,872 304,840 487,744 609,680 1,219,360 and 2,438,720, with no remainder.
Since 2,438,720 cannot be divided by just 1 and 2,438,720, it is not a prime number.