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What is the unit digit of the sum of the prime numbers between 20 and 50?
Wiki User
∙ 9y ago
It is 1.
Wiki User
∙ 9y ago
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How many 2 digit prime numbers are there whose unit digit is greater its tens digit?
Ten.
What is the unit's digits of the product of the first 21 prime numbers?
The unit's digit is 0. That is true for the product of the first n primes provided n>2.The unit's digit is 0. That is true for the product of the first n primes provided n>2.The unit's digit is 0. That is true for the product of the first n primes provided n>2.The unit's digit is 0. That is true for the product of the first n primes provided n>2.
How many two digit prime numbers have a units digit of 7?
5
What is 1 called if not a prime number?
It is called a "unit". Note: by definition, 1 can not be prime because all prime numbers are divisible by exactly 1 AND itself, with the AND inferring that there is a second factor. therefore all prime numbers have exactly 2 factors, 1 AND itself. 1 is the multiplicative identity
What are the smallest composite numbers?
The smallest composite numbers are 4, 6, 8, 9, and 10. It should be noted that the number 1 is a unit, and is neither prime nor composite. The numbers 2, 3, 5, and 7 are all prime, leaving the remaining numbers as the 5 smallest composites.
How many 2 digit prime numbers are there whose unit digit is greater its tens digit?
Ten.
How many prime numbers up to 100 have 9 as their unit's digit?
19, 29, 59, 79, and 89. Looks like five of them.
The number 64 is divisible by its unit digit 4 How many whole numbers less than 64 are divisible by their unit digit?
18 numbers are there
How many prime numbers up to 100 have the number 9 as their unit place?
19,29,59,79,89 are the prime numbers with 9 in its Unit place.
What is the unit's digits of the product of the first 21 prime numbers?
The unit's digit is 0. That is true for the product of the first n primes provided n>2.The unit's digit is 0. That is true for the product of the first n primes provided n>2.The unit's digit is 0. That is true for the product of the first n primes provided n>2.The unit's digit is 0. That is true for the product of the first n primes provided n>2.
All whole numbers actually have their decimal where?
To the right of the digit in the unit's column.
Write a c program to print prime numbers from 1 to 10000 that has an unit digit which is multiple of 3?
This is a homework question and does not deserve an answer because you will learn nothing other than being lazy.
How many numbers are there between 100 and 1000 such that at least one of their digits is 6?
numbers between 100 and 1000 = 900 numbers between 100 and 1000 which do not have digit 6 in any place = 8 x 9 x 9 = 648 Unit digit could take any value of the 9 values (0 to 9, except 6) Tens Digit could take any value of the 9 values (0 to 9, except 6) Hundreds digit could take any value of the 8 values (1 to 9, except 6) numbers between 100 and 1000 which have atleast one digit as 6 = 900 - 648 = 252
How many two digit prime numbers have a units digit of 7?
5
Composite numbers up to100 have 1 as their unit's digit?
21, 51, 81, 91.
What SI unit of length lies between the numbers?
The answer depends on where the numbers are.
The Unit digit of 334?
the unit digit is 4
