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Since the numbers are coprime, the answer is 21*13 = 273.
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When is a number divisible by 13?
A number is divisible by 13 if it is a multiple of 13. In other words, 13 times a number results in a big number that is divisible by 13.
What number is divisible by 13?
13 and all its multiples are divisible by 13.
Example of divisibility rule for 21?
a number is divisible by 12 if the number is also divisible by both 3 and 7. You mean a number is divisible by 21 if it is divisible by 3 and 7.
Is 70 divisible by 13?
The number 70 is divisible by 13, but not evenly.
What number is divisible by 10 but not 5?
Every number divisible by 10 is divisible by 5.
What numbers can be divided by 3?
The divisibility rule for 3 is as follows: If the sum of the digits of a number is divisible by 3 then the number is divisible by 3. For example, the number 21 is divisible by 3 since 2+1=3, and 3 is divisible by 3. The number 49 is not divisible by 3 since 4+9=13, and 13 is not divisible by 3.
When is a number divisible by 13?
A number is divisible by 13 if it is a multiple of 13. In other words, 13 times a number results in a big number that is divisible by 13.
Which number is prime out of 91 51 31 21?
21 is divisible by 3 and 7, so it is composite. 91 is divisible by 7 and 13, so it is composite. 51 is divisible by 3 and 17. 31 is divisible by only 1 and itself, so it is the prime number.
What is 13 and 21 divisible by?
1, 13 1, 3, 7, 21
What number is divisible by 13?
13 and all its multiples are divisible by 13.
Is a positive number divisible by 13?
Some positive numbers are divisible by 13, but not all of them.
Example of divisibility rule for 21?
a number is divisible by 12 if the number is also divisible by both 3 and 7. You mean a number is divisible by 21 if it is divisible by 3 and 7.
Is 70 divisible by 13?
The number 70 is divisible by 13, but not evenly.
What is a number that is not divisible by 2?
7 11 17 13 15 21 23 27 and so forth
What is divisible in 21 and 37?
There is nothing that is divisible in 37 and 21. Because 37 is a prime number. However, 21 is divisible by 3 and 7.
Is 21 a prime number?
A prime number is any integer evenly divisible by only itself, and the number 1. Since 21 is divisible by 3 and 7, it is a composite number, not a prime number.No, 21 is not a prime number.21 is divisible by 1, 3, 7, & 21No. 21=3*7
What number is divisible by 10 but not 5?
Every number divisible by 10 is divisible by 5.
