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yes when you do long division 3 goes into 5 once remaining 2 so 3 into 21 is 7
17 is your answer
also a calculator helps also :)
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What is 17 x 3?
3 x17 is 51 51 is not a prime number it is composite. use this rule : You wil know a number is divisible by 3 if you add up the digits. if the sum is a multiple of 3 then that number is divisible by 3. i.e.: 51 5+1 =6 6 is divisible by 3 so 51 is divisible by 3. 51/3= 17
Is 51 87 2007 56789 6321 divisible by 3?
All but 56789 are.
357 is divisible by?
1, 3, 7, 17, 21, 51, 119, 357
What is 51 divisible by?
three and 17
What is 1275 divisible by?
3, 5, 15, 17, 25, 51, 75, 85, 255, 425.
What 51 and 54 divisible by?
51 and 54 are divisible by 3.
Is 51 divisible by 10?
No, but it is divisible by 1, 3, 17, 51.
Is 51 disivisble by 3?
5 + 1 = 6 which is divisible by 3, so 51 is divisible by 3. [3 x 17 = 51]
What is 17 x 3?
3 x17 is 51 51 is not a prime number it is composite. use this rule : You wil know a number is divisible by 3 if you add up the digits. if the sum is a multiple of 3 then that number is divisible by 3. i.e.: 51 5+1 =6 6 is divisible by 3 so 51 is divisible by 3. 51/3= 17
What is 51 divisible?
1, 3, 17, 51
Does 51 go into 3?
Yes. 51/3 = 17. To find out if a number is divisible by three simply add up the values of the digits and see if that number is divisible by three. 51 -- 5 + 1 = 6 -- 6 is divisible by 3 so 51 is as well.
Is 51 and 53 twin primes?
No - 51 is divisible by 3.
Is 3 divisible of 51?
yup
Can the number 51 be divided by anything?
51 is divisible by 3 and 17.
Is 51 divisible by three?
Yes; 51 divided by 3 is 17.
Can 51 be divisible by 3?
Yes, It is 17
What are the composite numbers of 47 and 51?
47 is a prime number and is divisible by 1 and 47 only. 51 is divisible by 1, 3, 17, 51.
