Q: Is 851,520 a Prime Number?
A: No, 851,520 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 851520 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 96 120 160 192 240 320 480 887 960 1,774 2,661 3,548 4,435 5,322 7,096 8,870 10,644 13,305 14,192 17,740 21,288 26,610 28,384 35,480 42,576 53,220 56,768 70,960 85,152 106,440 141,920 170,304 212,880 283,840 425,760 and 851,520, with no remainder.
Since 851,520 cannot be divided by just 1 and 851,520, it is not a prime number.