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Q: What is the smallest prime number that can go into 18 and 45 evenly?

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The factors from greatest to least are: 11,11,5,3,3. The smallest prime factor is 3. You can get a quick idea of this by the fact that the digital root (number that goes evenly into the sum off all digits) is 18 which is divisible by 3.

There is no prime number that goes into 32. For 18, there is the number 3. So, there is NO prime number that goes into both 18 and 32.Another Answer:-2 as a prime number will go into 18 and 32 evenly

7 is a prime number so you cant divide it evenley

The required number is 90. The values produced by dividing 90 by 2, 3, 5, 7, and 11, the five smallest prime numbers, do not satisfy all the requirements: 90/2 = 45, which is not evenly divisible by 2; 90/3 = 30, which is not evenly divisible by 9; 90/5 = 18, which is not evenly divisible by 5; and the quotient of 90 and either 7 or 11 is not an integer itself.

All odd numbers that can not be divided by 3 evenly would be relatively prime with 18.

The number is 18.

A twin prime is a prime number that differs from another prime number by two. 18 is not a prime; it is a composite number. All even numbers are composites and 18 is an even number.

The smallest number is .18

18 is not a prime number so no number can have 18 as a prime factor.

The sum of the five smallest prime numbers is 18.

The first prime number after 18 is 19.

2 x 3 x 3 = 18

The smallest number that is divisible by 18 and 48 is 144.

All of these numbers are composite except for 2, which is prime.Prime numbers are numbers that can only be divided evenly by 1 and itself.Composite numbers can be divided evenly by 1, itself, and at least one more number.

2

36.

No, 18 is not prime. A prime number can only be divided by 1 and itself.

2 is a prime number. 18 is a composite number.

Only the number one.

Let be x the smallest number. So, the second number will be x + 1, and the third one will be x + 2. So, x + (x + 1) + (x + 2) = 18 3x + 3 = 18 subtract 3 to both sides; 3x = 15 divide by 3 to both sides; x = 5 Thus, the smallest number is 5. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Couldn't you also just use the factors of 18: 1, 2, 3, 6, 9, 18 Prime Numbers: 3 x 3 x 2 Smallest Number is then 2. You are right, 2 is the smallest prime number in the prime factorization of 18. But, the question is that three consecutive numbers are added up to 18, and 3 x 3 x 2 is a multiplication. However, 2 and 3 are consecutive so the third number will be 4 not 3. I didn't catch the consecutive part. Good call and thanks for the input.

which number is the smallest? 918 15 2

3

The prime factorization of the number 18 is 2 x 3 x 3.

18

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 18 is an even number.