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Two common factors of 42 and 231?
To find the common factors of 42 and 231, we first need to find the prime factorization of each number. The prime factorization of 42 is 2 x 3 x 7, and the prime factorization of 231 is 3 x 7 x 11. The common factors of 42 and 231 are the prime numbers that appear in both factorizations, which are 3 and 7. Therefore, the two common factors of 42 and 231 are 3 and 7.
What are the prime factors of 42 and 237?
Prime factors of 42 are: 2, 3 and 7 Prime factors of 237 are: 3 and 79
What is the greatest common factor of 142 and 231?
One way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 142 are 1, 2, 71, and 142. The factors of 231 are 1, 3, 7, 11, 21, 33, 77, and 231. The only common factor is 1. Therefore, the greatest common factor is 1, which means the numbers are relatively prime. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 142 are 2 and 71. The prime factors of 231 are 3, 7, and 11. There are no prime factors in common, so the numbers are relatively prime, meaning the greatest common factor is 1.
What goes into 231?
To determine factors of a number it is necessary to divide the number by prime numbers of increasing value. If there is no remainder then the prime number is a factor. The square root of 231 is approximately 15 so it is necessary to divide by all the prime numbers up to 13 (15 is not a prime number). 231 ÷ 2 leaves a remainder of 1 231 ÷ 3 divides exactly 77 times (which is 7 x 11 - both are prime numbers) 231 ÷ 5 leaves a remainder of 1 231 ÷ 7 divides exactly 33 times (which is 3 x 11 - both are prime numbers) 231 ÷ 11 divides exactly 21 times (which is 3 x 7 - both are prime numbers) 231 ÷ 13 leaves a remainder of 10 If we multiply together the three numbers that are shown to be factors 3 x 7 x 11 = 231 this confirms that there are no other factors of 231 except 1 and 231 itself. This last condition is true for every positive integer. 231 is divisible by 1, 3, 7, 11 and 231
What are the factors and prime factors of 104?
The prime factors are 2x2x2x13 All factors are 1,104,2,52,4,26,8,13
How many different prime factors of 3150 are there?
The only distinct prime factor that 3125 has is 5.
What is all the prime factors of 76?
All the prime factors of 76 are 2 and 19.
How do you find and express 2310 as a product of its prime factors?
2310 = 231 X 10 Break down into factors. = 3 X 77 X 5 X 2 Break nonprime numbers into further factors. = 2 x 3 X 5 X 7 X 11 When all factors are prime, we are done!
Is 231 is prime?
No. Just looking at it, we can see that it's divisible by 3. There may be more factors, but that's all we need to know. As soon as it has any additional factor besides ' 1 ' and itself, we know it's not a prime number.
What means prime factore?
All numbers have factors. Some factors are prime numbers. These are known as prime factors.
What are all the common prime factors?
There are infinitely many prime factors.
What is example of prime factor?
All numbers have factors. Some factors are prime numbers. These are known as prime factors. 2 and 3 are prime factors of 6. 1 and 6 are not prime factors of 6.
