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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 numbers between 1 and 100 are divisible by 3 or 7?
Oh, dude, let's break it down. So, first, you gotta figure out how many numbers are divisible by 3, right? Then, do the same for 7. But, here's the kicker - you gotta remember to subtract the numbers divisible by both 3 and 7. It's like a math puzzle, but with numbers. So, like, get your calculator out and have fun with it.
The numbers that 21 are divisible by?
1, 3, 7, 21
Is 1155 divisible by four different prime numbers?
No, the number 1155 is divisible by four prime numbers (3, 5, 7, 11).
What numbers are divisible by 2 3 and 7?
The smallest number that can be divisible by these three numbers is 42. If 42 is multiplied by 2, 3, 7, or any number divisible by only one of those numbers then that number as well will be divisible by 2, 3, and 7.
What numbers are 21 divisible by?
They are members of the infinite set of numbers of the form 21*k where k is an integer.
Is 135 divisible by 3?
Yes. It equals 45. A quick rule for numbers to see if they are divisible by 3 is to add all the numbers, for example: 207 = 2 + 0 + 7 = 9 Is 9 divisible by 3...Yes! It helps reduce the large numbers, for an easier answer. The number 8649... 8 + 6 + 4 + 9 = 27 and 27 is divisible by 3, so 8649 is also divisible by 3. BUT...137: 1 + 3 + 7 = 11 11 is not divisible by 3...so, 137 is not divisible by 3.
Which numbers in 2-7 are divisible by 3?
6 is the only number from 2-7
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
How many numbers are divisible by 3 and 7 between 0to400?
19 of them.
How many numbers are divisible by 3 and 7?
That's an infinite list.
How many numbers in the range of 1 to 1000 are divisible by 7 but not by 3?
There are 95 numbers in the range of 1 to 1,000 that are divisible by seven but not by three.
