101 103 105 107 109 111 113 115 117 119 121 123 125 127 129 131 133 135 137 139 141 143 145 147 149
125 - x, this is how i see it. you have 125 and it decreases by a number, since you dont know what that number is you put a variable to represent that number.
its 5! 5x5=25 25x5=125 5x(5x5)=125
125 - x.
115.5.
152, as it is the only even number.
83. It doesn't end in a 0 or 5 so it can not be divided by 5. When you add up the digits they equal 11 which means it can not be divided by 3. Lastly, it does not end in an even number so it can not be divided by a 2. (247 is not prime because it can be divided by 13.)
It is prime FACTOR of 125
The prime factors of 125 are 5x5x5 or 53.
The only prime number (factor) of 125 is: 5
No. Only integers can be primes (two close by are 11 and 13)
To find 125 percent of a number, multiply the number by 1.25. In this instance, 84 x 1.25 = 105. Therefore, 125 percent of 84 is equal to 105.
You can divide it by 5.
A number between 50 and 200 is 125 Its prime factors are: 5, 5 and 5 or 53 = 125
number of prime numbers between 100 and 125 = 5prime numbers between 100 and 125 = 101,103,107,109,113
To be relatively prime you must relate the number to another number. 125 is 5³ so it is relatively prime to all numbers that are not multiples of 5 (do not end in 0 or 5)
It will be quicker to try different powers of two, and seeing if the remainder is prime. 127 = 1 + 126, 126 isn't prime 127 = 2 + 125, 125 isn't prime 127 = 4 + 123, 123 isn't prime 127 = 8 + 119, 119 isn't prime 127 = 16 + 111, 111 isn't prime 127 = 32 + 95, 95 isn't prime 127 = 64 + 63, 63 isn't prime 127 < 128, so all the possibilities are exhausted. So, 127 can't be expressed as a sum of a prime and a power of two.