Q: Is 4,977,378 a Prime Number?
A: No, 4,977,378 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 4977378 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 39,503 79,006 118,509 237,018 276,521 355,527 553,042 711,054 829,563 1,659,126 2,488,689 and 4,977,378, with no remainder.
Since 4,977,378 cannot be divided by just 1 and 4,977,378, it is not a prime number.