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Any multiple of four must be even; any number ending in three is odd.
Look at the multiples of four from 1 to 9.
They are in the order : 4,8,12,16,20,24,28,32,36.
Now, any number when multiplied by 4, will have the one's digit as the one's digit of the above multiples In the above multiples, no multiple has 3 as the one's digit, i.e., no multiple ends in three.
Take an example. 15x4 will have 0 in the one's digit because 5x4 = 20 and has 0 in the one's place.
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Why can't a number that ends in 3 be a multiple of 4?
A number that ends in 3 can't be a multiple of 4 because the 4 times table goes in a pattern, (e.g 4, 8, 12, 16, 20, 24.) If the number ends in either 0 2 4 6 8 then it couldbe a possible multiple of 4. It always ends in an even number. 3 is not an even number so it is not going to be the last number of a multiple of 4.
Why can a number which ends in 3 not be a multiple of 6?
A number that ends in 3 is an odd number, as it is not divisible by 2. For a number to be a multiple of 6, it must be divisible by both 2 and 3. Since a number ending in 3 is not divisible by 2, it cannot be a multiple of 6. In other words, any number ending in 3 will always have a remainder when divided by 6.
How do you decide if a two digit number is a multiple of a one-digit number?
If the number is even, it is a multiple of 2 If the sum of the digits make a number divisible by 3, the number is a multiple of 3 If the number ends in 5 or 0, the number is a multiple of 5 If the number is divisible by 2 and 3, the number is a multiple of 6 If the sum of the digits make a number divisible by 9, the number is a multiple of 9
Explain Why a number which ends in 3 cannot be a multiple of 4?
Check it out: 4,8,12,16,20,24,28,32,36. No threes.
Why a number ends in 3 cannot be multiple of 4?
4 is an even number and so all multiples of 4 must be even. A number ending in 3 is not even and so cannot be a multiple of 4.
Why a number which ends in 3 cannot be a multiple of 4?
If a number is divisible by 4, it also means that the same number is divisible by 2. But if the number ends in a 3, it can't be divisible by 2 and, to a further extent, can't be divisible by 4.
Why cant a number ending 3 cannt b multiple of 4?
Because the multiples of 4 are even numbers and 3 is an odd number
What is a rule for deciding whether or not a number is divisible by?
There are different rules for different number 2: ends in 2,4,6,8,0 3: digits add up to multiple of 3 4: last two digits are divisible by 4 5: ends in 5,0 6: follows the rules of both 2 and 3 9: digits add up to a multiple of 9 10: ends in 0
Dividing rules for 1-12?
13
Why cant a multiple of 15 be a prime number?
A prime number has no factors other than 1 and itself. Each multiple of fifteen includes 3, 5, and 15 among its factors.
Is 103 a multiple of 3?
I think so. Because it ends in a 3.
What are the divisibility rules from 1-20?
21
