Q: Is 125,130,005 a Prime Number?

 A: No, 125,130,005 is not a prime number.

Why is 125,130,005 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 125130005 can be evenly divided by 1 5 7 11 13 23 35 55 65 77 91 115 143 161 253 299 385 455 715 805 1,001 1,087 1,265 1,495 1,771 2,093 3,289 5,005 5,435 7,609 8,855 10,465 11,957 14,131 16,445 23,023 25,001 38,045 59,785 70,655 83,699 98,917 115,115 125,005 155,441 175,007 275,011 325,013 418,495 494,585 777,205 875,035 1,088,087 1,375,055 1,625,065 1,925,077 2,275,091 3,575,143 5,440,435 9,625,385 11,375,455 17,875,715 25,026,001 and 125,130,005, with no remainder.

Since 125,130,005 cannot be divided by just 1 and 125,130,005, 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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