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What is a counter example to falsify If x is an integer divisible by 3 then x2 is an integer divisible by 3?
Suppose x = sqrt(3*a) where a is an integer that is not divisible by 3. then x2 = 3*a which is divisible by 3. but x is not even rational and so is not an integer and is certainly not divisible by 3.
Is 12345 divisible by 3?
12345 is divisible by 3 and the answer is 4115
Why is 138 divisible by 3?
Well, to find out if any number is divisible by 3, you add up the number's factors. If the number you come up with is divisible by 3, then the entire number is divisible by 3.For example:138= 1+3+8= 1212 is divisible by 3.
How can you tell that 42 is divisible by 3?
To determine if 42 is divisible by 3, you can add up the digits of 42 (4 + 2 = 6) and check if the sum is divisible by 3. Since 6 is divisible by 3, then 42 is also divisible by 3. This is based on the rule that a number is divisible by 3 if the sum of its digits is divisible by 3.
Is 166 divisible by 3?
It is not evenly divisible.
Is 807 divisible by 2?
No.
Is 21789 divisible by 2 3 5 9 or?
21789 is divisible by 1, 3, 9, 27, 81, 269, 807, 2421, 7263, 21789
What is 2421 divisible by?
To determine if 2421 is divisible by a certain number, we need to check if the remainder when 2421 is divided by that number is zero. For example, 2421 ÷ 3 = 807 with no remainder, so 2421 is divisible by 3. However, 2421 is not divisible by 2, as 2421 ÷ 2 = 1210 with a remainder of 1. Similarly, 2421 is not divisible by 5, as 2421 ÷ 5 = 484 with a remainder of 1.
Is 807 prime or composite number?
To determine if 807 is prime or composite, we can check if it has any factors other than 1 and itself. By dividing 807 by all numbers less than its square root (28.4), we find that it is divisible by 3 and 269 in addition to 1 and itself. Therefore, 807 is a composite number.
What are the factors of 807?
The positive integer factors of 807 are: 1, 3, 269, 807
What are the factors and prime factors of 807?
The factors of 807 are: 1, 3, 269, and 807.The prime factors of 807 are: 3 and 269.
What is 807 divided by 67?
12.0448
How many days between June 18 1947 and September 2 1949?
807 days.807 days.807 days.807 days.807 days.807 days.807 days.807 days.807 days.807 days.807 days.
Is 5193 a prime number?
No, it is divisible by 3.No, it is divisible by 3.No, it is divisible by 3.No, it is divisible by 3.
What is 339 divisible by?
It is divisible by 3, for example.It is divisible by 3, for example.It is divisible by 3, for example.It is divisible by 3, for example.
A number is divisible by 3 if the blank is divisible by 3?
A number is divisible by 3 if the sum of its digits is divisible by 3.
If x is an integer divisible by 3 then is x2 divisible by 3?
Yes, if x is an integer divisible by 3, then x^2 is also divisible by 3. This is because for any integer x, x^2 will also be divisible by 3 if x is divisible by 3. This can be proven using the property that the square of any integer divisible by 3 will also be divisible by 3.
