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three

30/10 = 3 = 231/77

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Q: What goes into both 30 and 231?
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What number goes into both 28 and 30?

The number that goes into both 28 and 30 is 2. This is because both 28 and 30 are even numbers, and 2 is the only common factor they share. Additionally, both 28 and 30 can be divided evenly by 2, resulting in whole numbers.


How many times does 77 go into 231?

To find out how many times 77 goes into 231, you would divide 231 by 77. The result of this division would be 3, as 77 can go into 231 three times without any remainder. Therefore, 77 goes into 231 three times.


How many times does 20 go into 231?

Well, isn't that a happy little question! Let's see here... If we take 231 and divide it by 20, we find that it goes in about 11 times with a remainder of 11. So, 20 goes into 231 about 11 times, leaving a little extra. Just remember, there are no mistakes, only happy little accidents in math!


What number goes into 18 and 30?

The HCF of both numbers is 6


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