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Is 9 and 21 relatively prime?
no both are divisible by 3
Is 105 divisible by 9?
no. if you divided it by nine you would get a number with a big decimal. But is divisible by 5. (105/5=21)
Why is 63 divisible by 3 and 7?
3*21 = 63 so 63 is divisible by 3 7*9 = 63 so 63 is divisible by 7.
Is 21837 divisible by 6 and 9?
Nope - To be divisible by nine, the sum of the digits must also be divisible by 9 (the digits total 21). Additionally, since it's an odd number - it cannot be divided by 6 !
Why is 126 divisible?
126 is divisible by 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126.
Which number between 190 and 200 is divisible by 9?
Is 9 and 21 relatively prime?
no both are divisible by 3
Is 105 divisible by 9?
no. if you divided it by nine you would get a number with a big decimal. But is divisible by 5. (105/5=21)
What is 63 divisible by?
1, 3, 7, 9, 21, 63
What is sixty-three divisible by?
1, 63, 3, 21, 7, 9
Why is 63 divisible by 3 and 7?
3*21 = 63 so 63 is divisible by 3 7*9 = 63 so 63 is divisible by 7.
Is 4089 divisible by 9?
To check divisibility of 9, add the digits together. add the digits again if your answer has 2 or more digits. you should get 9 as the remaining digit to be divisible by 9. 4 + 0 + 8 + 9 = 21 2 + 1 = 3 So 4089 is not divisible by 9.
Is 21837 divisible by 6 and 9?
Nope - To be divisible by nine, the sum of the digits must also be divisible by 9 (the digits total 21). Additionally, since it's an odd number - it cannot be divided by 6 !
What is a harshad in math?
A Harshad number is a positive integer which is is divisible by the sum of its digits. There are many Harshad numbers, for example, 1, 2, 3, 4, 5, 6, 7, 8, 9, 18 (1 + 8 = 9 and 18 is divisible by 9), 21 (2 + 1 = 3 and 21 is divisible by 3), and 24 ( 2 + 4 = 6 and 24 is divisible by 6).
Can 84 be divisible by 2 3 5 9?
it cannot be divisable by 5 and 9 but it can be divisable by 2,3,4,6,41,28,and 21
What is 189 divisible by?
189 is divisible by: 1, 3, 7, 9, 21, 27, 63, 189.
Is 126 divisible by 4?
No, it is divisible by: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
