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Factors for 12 are: 1, 2, 3, 4, 6, 12

Factors for 18 are: 1, 2, 3, 6, 9, 18

Out of these 2 and 3 are the prime factors.

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14y ago

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6y ago

1, 2, 3, 4, 6, 12

1, 2, 3, 6, 9, 18

2 and 3 are prime.

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9y ago

The prime factors of 12 and 18 are 2 and 3
2 x 2 x 3 = 12
2 x 3 x 3 = 18

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Q: What are the factors and prime factors of 12 and 18?
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Related questions

Are 12 and 18 co-prime?

No, 12 and 18 are not coprime. Their common factors are 2, 3, and 6.


What are the factors and prime factors of 12 and 36?

The factors of 12 are: 1, 2, 3, 4, 6, and 12.The prime factors of 12 are: 2 and 3.The factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 18, and 36.The prime factors of 36 are: 2 and 3.


How do l found a numbers that has three prime factors a total of 18 divisors and is relatively prime to 12?

In order to be relatively prime to 12, it can't have the factors 2 or 3. Let's try 5^2 x 7^2 x 11. 13475 has three prime factors, 18 divisors, and is relatively prime to 12.


What are the factors and prime factors of 12 15 and 18?

The factors of 12 are: 1, 2, 3, 4, 6, and 12.The prime factors of 12 are: 2 and 3.The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 18 are: 1, 2, 3, 6, 9, and 18.The prime factors of 18 are: 2 and 3.


What are the factors and prime factors for 36?

1, 2, 3, 4, 6, 9, 12, 18, 36 2 and 3 are prime.


What are factors of 18 that are prime numbers?

Prime factors of 18 are 2 and 3.


What is the prime factors of 18 and 15?

Prime factors of 18 are 2 and 3 Prime factors of 15 are 3 and 5


What is the HCF of 18and 12?

To do this, you need to split the numbers into their prime factors: 18 = 2x3x3 12 = 2x2x3 The next step is to identify any common prime factors between the two numbers. In this case both numbers have a 2 and a 3 as prime factors. Multiply these together, and we get: 2x3 = 6. Therefore the HCF of 18 and 12 is 6.


What is the prime of 18?

Regarding the question as being, What are the prime factors of 18? A prime number is a number that only has 1 and itself as factors. The number "1" itself is not regarded as a prime number. The prime factors can be obtained by successive division. 18 ÷ 2 = 9 9 ÷ 3 = 3 3 ÷ 3 = 1 The prime factors of 18 are 2,3 and 3. This can be written as 2 and 3². This can be checked as 2 x 3 x 3 = 18.


What are the prime factors for 18 and 21?

18 has prime factors 3 & 2 whereas 21 has prime factors 3 & 7.


What are 2 composite numbers between 10 and 20 whose LCM is 36?

81=9^29+9=1877=7*117+11=18


What are the non-prime factors of 36?

4, 6, 9, 12, 18, 36