Q: Is 2,501,616 a Prime Number?
A: No, 2,501,616 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 2501616 can be evenly divided by 1 2 3 4 6 8 12 13 16 19 24 26 38 39 48 52 57 76 78 104 114 152 156 208 211 228 247 304 312 422 456 494 624 633 741 844 912 988 1,266 1,482 1,688 1,976 2,532 2,743 2,964 3,376 3,952 4,009 5,064 5,486 5,928 8,018 8,229 10,128 10,972 11,856 12,027 16,036 16,458 21,944 24,054 32,072 32,916 43,888 48,108 52,117 64,144 65,832 96,216 104,234 131,664 156,351 192,432 208,468 312,702 416,936 625,404 833,872 1,250,808 and 2,501,616, with no remainder.
Since 2,501,616 cannot be divided by just 1 and 2,501,616, it is not a prime number.