Q: Is 123,042,000 a Prime Number?

 A: No, 123,042,000 is not a prime number.

Why is 123,042,000 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 123042000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1,000 1,200 1,500 2,000 3,000 6,000 20,507 41,014 61,521 82,028 102,535 123,042 164,056 205,070 246,084 307,605 328,112 410,140 492,168 512,675 615,210 820,280 984,336 1,025,350 1,230,420 1,538,025 1,640,560 2,050,700 2,460,840 2,563,375 3,076,050 4,101,400 4,921,680 5,126,750 6,152,100 7,690,125 8,202,800 10,253,500 12,304,200 15,380,250 20,507,000 24,608,400 30,760,500 41,014,000 61,521,000 and 123,042,000, with no remainder.

Since 123,042,000 cannot be divided by just 1 and 123,042,000, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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