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Q: What is a number that has exactly two factors 1and itself?

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Yes

16

16

They are 1 and itself 280

1and itself, this number is a prime number

Because the prime numbers between 1and 50 only have exactly 2 unique factors.

Yes, that can be taken as the definition of a prime number. The number 1 is usually excluded from the prime numbers, for different reasons.

Factors.

15 and 30 have those factors.

Only common is one only

1 1 and 3

the factors of 22 are --- 1 and 22... 2 and 11 the factors of 8 are --- 1and 8... 2 and 4 the common factors are 2

315

What number between 1and 10 can go into 1001

Indiana

There are exactly 5,761,455 prime numbers below 100,000,000, the first being two, and the last 99,999,989.

There are five of them, including the number 1.

56 + 56 + 28 + 8 + 2 + 1 = 151

1+ 1and 1/2

3,628,800

The prime numbers: 2, 3, 5, 7, 11, 13, 17 and 19.

size 1and that is why he cant kick a ball properely. size 1and that is why he cant kick a ball properely. size 1and that is why he cant kick a ball properely.

A number that is greater than 1.5 and less than 2 would be 1.75

write an algo to find the sum of even number from 1to n

The greatest prime number between 1 and 30 is 29. 58 has 29 as a factor.