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What are all the numbers divisible by 10?
Oh, dude, you want all the numbers divisible by 10? Alright, so it's like 10, 20, 30, 40, and so on. Basically, any number that ends with a zero when you divide it by 10. But hey, who's really keeping track of all those numbers anyway, am I right?
Numbers that are divisible by 5?
5, 10, 15, 20, 25, 30, 35... etc.
Is 30 the only number divisible by 5 and 2?
No. The smallest number divisible by both 5 and 2 is their lowest common Multiple (LCM) which is 10; ALL multiples of their LCM are divisible by 5 and 2, ie 10, 20, 30, 40, 50, ... are all divisible by 5 and 2.
Is 20 a prime number?
No. Even numbers are never prime numbers. A prime number is a number that is only divisible by 1 and itself. Even numbers are always divisible by 2, so they are never prime.And 20 is also divisible by 4 and 5. Its factors are 1, 2, 4, 5, 10, and 20.
What number is divisible by 87 and 100?
87 is divisible by 1, 3, 29, and 87. 100 is divisible by 1, 2, 4, 5, 10, 20, 25, 50, and 100, therefore the only number divisible by 87 and 100 is 1.
