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Because 2 is a factor of 4. If a number is a multiple of four, when you add that it is a multiple of 2 there is no extra information, no additional factor.

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Q: Why are multiples of 2 and 4 not also a multiple of 8?
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Why aren't all the multiples of 2 also multiples of 4?

Because 6 is a multiple of 2 and not of 4.


What are the first four multiples of 2 and 4?

If ordered by size, only every other multiple of 2 is a multiple of 4. All multiples of 4 are multiples of 2.


Is A multiple of 2 is also a multiple of 4?

No, but vice versa holds true. Case and point: 6 is a multiple of 2, but not a multiple of 4. 8 is a multiple of 4, and is a multiple of 2. Because a factor of 4 is 2, every multiple of 4 is also a multiple of 2. But since 4 is not a factor of 2, rather, only half of it, only half of the multiples of 2 will be multiples of 4.


Why is a multiple of 2 a multiple of 4?

It's not. 4 is a multiple of 2. 2 is a factor of 4 because it can divide into 4 evenly with no remainder.


Why multiple of 4 is not a multiple of 2?

because... 4 does not go into 2 so it's not a multiple All multiples of 4 are multiples of 2.


What is a multiple of 2 and 4?

All multiples of 4 are multiples of 2 and 4.


Why are all multiples of 20 multiples of 4?

Because 20 is a multiple of 4. All multiples of 20 are also multipples of 2, 5 and 10


Jose said all of the multiples of 8 are also multiples of 2 Maria said that all of the multiples of 8 are also multiples of 4 who is correct?

Since 8 is a multiple of 2 and 4, all multiples of 8 are also multiples of both of them. Thus, Jose and maria are both correct.


Are all multiples of 2 multiples of 4?

No. All it needs is one counter example to disprove: 6 is a multiple of 2 but NOT a multiple of 4.


How do you find the common multiples of 2 and 4?

Since 4 is a multiple of 2, all the multiples of 4 will be common.


What are three common multiplies for 4 and 12?

A common multiple of two integers 'x' and 'y', are the multiples of 'x' which are also multiples of 'y'.For your example, because 12 is itself a multiple of 4, ALL multiples of 12 are common multiples of 4 and 12.To prove my point, I will list out the multiples of both 4 and 12:multiples of 4:4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96, 100...multiples of 12:12,24,36,48,60,72,84,96...You can see here that every multiple of 12, is also a multiple of 4, thus all multiples of 12 are common multiples for 4 and 12.Also..a quick easy list:12,24,36,48,60,72,84,96and if you didn't read above, because 12 is a multiple of for, all multiples of 12 are a multiple of 4 .. simple!


Why can't you get a number that is not a multiple of 10 and a multiple of 20?

Since 10 is a factor of 20, all multiples of 20 are multiples of 10. This is also true of 1, 2, 4 and 5.