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Can you find a number less than 150 that is divisible by 4 different prime numbers?
85
Why are square numbers one less than a prime number always even?
Prime numbers, except 2, are always odd (they would not be prime if they were even cos they would be divisible by 2.) 1 less than any odd number must be an even number.
Will the product of any prime numbers greater than one but less than twenty ever be prime?
No. If you multiply two prime numbers, any prime numbers, the result will - by definition - not be a prime number. For example, if you multiply 2 x 3, the result will obviously be divisible by 2 and by 3, and therefore, not be a prime number. By the way, one is not usually considered a prime number.
Which prime number or numbers less than 100 are even?
As even means by definition divisible by 2, all even numbers can be divided by 2. Hence there is only one even prime number: 2 itself. All other even number cannot be prime numbers as they can be divided by 2, and a number is a prime number if and only if it can be divided only by itself and by 1.
What is the greatest prime number less than 26?
25 is divisible by 5 24 is divisible by 2,3,4,6,8,12 So the answer is 23
A set of prime numbers less than 18?
Prime numbers are such number which are only divisible by 1 and by itself only..{1,2,3,5,7,11,13,17}
Prime number that are less than 25?
Prime numbers are numbers that are divisible by themselves and 1. 1 itself is not regarded as a prime number. With the exception of 2, all prime numbers are odd numbers. Applying this gives the following prime numbers less than 25 :- 2,3,5,7,11,13,17,19 and 23.
Can you find a number less than 150 that is divisible by 4 different prime numbers?
85
Why are square numbers one less than a prime number always even?
Prime numbers, except 2, are always odd (they would not be prime if they were even cos they would be divisible by 2.) 1 less than any odd number must be an even number.
Is there a number less than 200 that is divisible by four different prime numbers?
No. The 4 smallest primes are 2 3 5 7. Multiplying these gives 210. Note that 1 is not regarded as a prime no. If it were to be then no other number could be prime for all of them are divisible by 1.
Will the product of any prime numbers greater than one but less than twenty ever be prime?
No. If you multiply two prime numbers, any prime numbers, the result will - by definition - not be a prime number. For example, if you multiply 2 x 3, the result will obviously be divisible by 2 and by 3, and therefore, not be a prime number. By the way, one is not usually considered a prime number.
What number is divisible by 6 and a prime number less than 30?
18
Is there any number less than 300 that is divisible by 4 different prime numbers?
Yes, 210 = 2*3*5*7
What is a prime number greater than 25 but less than 30?
The only prime number greater than 25 but less than 30 is 29. A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. In this case, 29 is not divisible by any other numbers except for 1 and itself, making it a prime number.
Which prime number or numbers less than 100 are even?
As even means by definition divisible by 2, all even numbers can be divided by 2. Hence there is only one even prime number: 2 itself. All other even number cannot be prime numbers as they can be divided by 2, and a number is a prime number if and only if it can be divided only by itself and by 1.
What is the total number of prime numbers less than 100?
The total number of prime numbers less than 100 is 25.
How do you get prime numbers which are less than 100?
You look for a table of prime numbers. Or you try out each integer from 2-100, to see which ones don't have smaller factors. For numbers less to 100, it is enough to check whether each number is divisible by 2, 3, 5 and 7.
