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27, 57, 77, 87.

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15y ago

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Related Questions

What do composite numbers end with?

Composite numbers can end with any digit, but they must end with 0, 2, 4, 5, 6, or 8 when considering even numbers and numbers ending in 5. This is because a composite number has more than two distinct positive divisors, meaning it can be divided by numbers other than 1 and itself. For example, 4, 6, 8, and 9 are composite numbers. However, prime numbers, which are not composite, end predominantly with 1, 3, 7, or 9 (excluding 2 and 5).


Which are composite numbers 7 31 103?

7, 31, 103 All three are prime numbers and not composite numbers.


Is every multiple of 7 a composite numbers?

No. 7, itself, is a multiple of 7 [7 * 1 = 7] and it is not a composite.


What is the composite number of 7 11 13?

None of the numbers 7, 11, and 13 are composite numbers; they are all primes.


Are 5 and 7 prime or composite numbers?

5 and 7 are both prime numbers.


Is 7 31 103 composite numbers?

The they are.


Which numbers are prime numbers and which are composite numbers from 1 to 100?

1 is special 2 prime 3 prime 4 composite 5 prime 6 composite 7 prime 8 composite 9 composite 10 composite 11 prime 12 composite ext.


What composite numbers fall between 3 and 9?

Prime numbers are those that are not composite. The only prime numbers in this range are 3, 5, and 7.


Is 7 and 3 and 21 prime numbers?

7 and 3 are prime numbers but 21 is a composite nuber


How many composite numbers are there between 7 and 29?

There are 16 such numbers.


What numbers is composite number 2 51 71 83?

51 is composite (3 x !7); the other numbers are primes.


Is 98 a prime or composite number?

'98' is a COMPOUND Number. Compound numbers are the product of the multiplication of two( or more) smaller numbers. 2 x 49 = 98 ( So '98' is a compound number) NB Any even number , except '2' , is a compound number. Even numbers are those that end in 0,2,4,6,8 NNB Prime numbers always, except '2' itself, end in an odd number, except '5'. So e.g. 1,000,002 is Compound, it ends in '2' . It is NOT prime. 1,000,000,015 is a compound number, because it ends in '5'. The odd number exception.