math.stackexchange.com/questions/144150/how-to-write-the-set-of-all-natural-numbers-that-can-be-divided-by-two

May 12, 2012 ... I would like to write as a mathematical expression such sentence: x is the set of
all natural numbers that can be divided by 2 without the ...

www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT_RESOURCE/U02_L1_T3_text_final.html

Recognize (by using the divisibility rule) if a number is divisible by 2, 3, 4, 5, 6, 9,
.... All natural numbers except 1 also have 1 and the number itself as factors:.

www.quora.com/How-many-numbers-are-there-from-1-to-1000-which-are-not-divisible-by-the-digits-2-3-and-5

Option B The answer is 1000 - ((1000/2 +1000/3 +1000/5) -(1000/2x3 +1000/2x5
+ 1000/3x5)+ ... What is the sum of all integers from 1 to 1000 that are divisible by
2 or 5 but not divisible by 4? How many numbers are there from 1 to 1000 ...

www.quora.com/How-many-numbers-between-1-and-300-are-divisible-by-at-least-one-of-3-5

Numbers divisible by 3 - { 3, 6, 9,...., 300} So, we need to check how many
numbers between 3 ... How many numbers up to 300 are all divisible by 3 and 5?
.... of integers including both from 1 to 500 that are divisible by 2 or 3 but not 5?

www.quora.com/How-many-even-natural-numbers-divisible-by-5-can-be-formed-with-the-digits-0-1-2-3-4-5-6-if-repetition-is-not-allowed

The question is about even natural numbers divisible by 5 which means, the
numbers must end with 0 . The remaining 6 digits can be arranged among ...

www.abstractmath.org/MM/MMNaturalNumbers.htm

For example, 3 and 5 are natural numbers but 3 − 5 and 3 / 5 are not natural
numbers. ... This fact is the source of some of the deepest pure mathematics of all
. .... because being divisible by 3 (or by any other natural number) is a property of
the ...

www.algebra.com/algebra/homework/Sequences-and-series/Sequences-and-series.faq.question.839386.html

SOLUTION: What is the smallest natural number divisible by each of the integers
... We break into primes all the integers 2 through 10 2 prime 3 prime 4 = 2×2 5 ...

www.onlinemath4all.com/arithmetic-series-worksheet-solution4.html

... the sum of all natural numbers between 300 and 500 which are divisible by 11.
... divisible by 5 first we have to find the sum all numbers between 100 and 200 ...

www.algebra.com/algebra/homework/word/numbers/Numbers_Word_Problems.faq.question.280054.html

SOLUTION: The percentage of all natural numbers that are divisible by 2, 3, or 5
is closest to: (A) 70% (B) 71% (C) 72% (D) 73% (E) 74%.

projecteuler.net/show=all

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5,
... What is the smallest positive number that is evenly divisible by all of the ...