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Is 5 and 7 coprime?
Coprime numbers are those in which only 1 and that number (say 5) can be divisible by it. Both 5 and 7 would be coprime numbers because they are numbers divisible by only themselves and 1.
How many three-digit numbers are divisible by 7 or 5?
There are 282 such numbers.
What numbers are divisible by 5 and 7?
35 and all its multiples.
Is 1155 divisible by four different prime numbers?
No, the number 1155 is divisible by four prime numbers (3, 5, 7, 11).
Is a odd number always divisible by 5?
NO. Odd numbers are not always divisible by 5. Examples: 3 , 7, 9, 11, 13, 17, ... are odd numbers and they are not divisible by 5.
What counterexample to the statement all odd numbers are divisible be 3?
5, 7, a bunch of numbers that are odd are not divisible by 3. numbers that are divisible by three can have all their numbers added together and come out with a number that is divisible by 3.
How many whole numbers less than 50 are divisible by 5 or 7 but not both?
14. Assuming dealing with only counting numbers (ie integers greater than 0): Numbers divisible by 5 or 7 are their multiples. 50 ÷ 5 = 10 → last multiple of 5 less than 50 is 9 x 5 → 9 numbers less than 50 are divisible by 5 50 ÷ 7 = 71/7 → last multiple of 7 less than 50 is 7 x 7 → 7 numbers less than 50 are divisible by 7 Numbers divisible by both are those which are multiples of their lowest common multiple = 35 50 ÷ 35 = 115/35 → last multiple of 35 less than 50 is 1 x 35 → 1 number less than 50 is divisible by both 5 and 7 and needs to be removed from both the above counts. → (9 - 1) + (7 - 1) = 14 numbers less than 50 are divisible by 5 or 7 but not both. If there is no restriction on numbers being greater than 0, there are infinitely many numbers as it includes the infinite number of negative numbers which are all less than 50 and provide an infinite number of numbers divisible by 5 or 7 but not both.
Which numbers are odd numbers?
1,3,5,7,9 Odd numbers are the ones that if you repeatedly subtract 2 from, you will end with 1. Odd numbers always end in 1, 3, 5,7, and 9. Examples: 23, 37, 51, 69, 75, 87, 99
What are all the divisible by 5?
The numbers that are divisible by 5 has 5 or 0 at the end.So,this numbers are divisible by 5.5,10,15,25,555,10000,etc.
The number 7000 is divisible by which single digit numbers?
1, 2, 4, 5, 7, 8
Is 46 divisible by 7?
all numbers are divisible by 7.
Is 45 prime or composye?
All numbers that end with 5 are divisible by 5.All numbers that end with 5 are divisible by 5.All numbers that end with 5 are divisible by 5.All numbers that end with 5 are divisible by 5.
