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What are the prime factors in common of 18 and 90?
The prime factors of 18 are 2, 3, and 3. The prime factors of 90 are 2, 3, 3, and 5. The prime factors they have in common are 2, 3, and 3. Since 18 is a factor of 90, its prime factors will be the prime factors that the two numbers have in common.
Common prime factors 18 81?
18 and 81 share only one prime factor: 3
Find the composite number the addition of whose prime factors is 18?
65, 77
What multiplication problems equal 18?
As a product of its prime factors: 2*3*3 = 18
What factors do 18 and 42 have in common?
The prime factors of 18 are 2, 3 and 3. The prime factors of 42 are 2, 3 and 7. Thus, the prime factors which are common to both are 2 and 3. However, the usual manner of answering this sort of question is to give the greatest common factor which is common to both (or all) numbers, and not only prime factors - so as 2 and 3 are common to both numbers and as 2 x 3 = 6 the 'other' answer to the question is 6.
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 are the prime factors for 18 and 21?
18 has prime factors 3 & 2 whereas 21 has prime factors 3 & 7.
What prime factors do 18 and 70 have in common?
The prime factors of 18 are 2, 3, and 3. The prime factors of 70 are 2, 5, and 7. The prime factors that 18 and 70 have in common are a single 2.
What is the factors of 18 that are prime?
The factors of 18 are: 1 2 3 6 9 18 The prime factors are: 2 x 3 x 3
What are the prime factors in common of 18 and 90?
The prime factors of 18 are 2, 3, and 3. The prime factors of 90 are 2, 3, 3, and 5. The prime factors they have in common are 2, 3, and 3. Since 18 is a factor of 90, its prime factors will be the prime factors that the two numbers have in common.
What are the factors and prime factors of 18 and 21?
The factors of 18 are: 1, 2, 3, 6, 9, and 18.The prime factors of 18 are: 2 and 3.The factors of 21 are: 1, 3, 7, and 21.The prime factors of 21 are: 3 and 7.
What are the factors and prime factors of -18?
The factors of -18 are 1, 2, 3, 6, 9, 18 and their negative counterparts. The prime factors are 2 and 3.
What are the prime numbers of 18 and 45?
Prime factors of 18 are 2 and 3 Prime factors of 45 are 3 and 5
What are the factors and prime factors of 18 and 20?
The factors of 18 are: 1, 2, 3, 6, 9, and 18.The prime factors of 18 are: 2 and 3.The factors of 20 are: 1, 2, 4, 5, 10, and 20.The prime factors of 20 are: 2 and 5.
What are the factors and prime factors of 18?
The factors of 18 are 1, 2, 3, 6, 9, and 18. The prime factors are 2 x 3 x 3. 18 is a composite number.
What prime factors of 18 are also prime factors of 24?
With the use of prime factorisation the numbers are: 18: 2,3,3 24: 2,2,2,3 The actual factors are for both 18 and 24 are 2 and 3
