Q: Is 61,440 a Prime Number?
A: No, 61,440 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 61440 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1,024 1,280 1,536 1,920 2,048 2,560 3,072 3,840 4,096 5,120 6,144 7,680 10,240 12,288 15,360 20,480 30,720 and 61,440, with no remainder.
Since 61,440 cannot be divided by just 1 and 61,440, it is not a prime number.