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  • Sets in Mathematics
    Math Lessons

    Sets in Mathematics

    ByProsenjit Sarkar
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    What is a set? In daily life, we use words like a dinner set, a set of players, a set of books, etc. What is meant by the word ‘set’ here? It clearly defines a collection of similar objects or things. In math, sets are also defined as similar contexts. Set Definition Sets in Mathematics…

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  • Prime Number Facts
    Math Lessons

    Prime Number Facts

    ByProsenjit Sarkar
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    Fun facts about prime numbers All numbers greater than 1 that are divisible only by 1 and that numbers are called prime numbers. Natural numbers are positive integers. That is, 1, 2, 3, 4… all such positive integers are natural numbers. Natural numbers are of 3 types: Definition of a prime number A number that…

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  • Sieve of Eratosthenes
    Math Lessons

    Determine Prime Numbers

    ByProsenjit Sarkar
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    Do you know how to determine prime numbers quickly and in a nutshell? This article covers the concept of finding prime numbers (both small and large) using various methods. By the definition of a prime number, we know that prime numbers have only two positive divisors. The two divisors or factors would be 1 and…

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  • Divisibility Rules
    Math Lessons

    Divisibility Rules From 1 to 15

    ByProsenjit Sarkar
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    Here are some quick tricks you can learn to see if a number is divisible (can be divided) by another number. How! Ok. You can see that 27 is divisible by 3, meaning that 3 goes into 27 evenly. But, can you quickly tell if 3 goes into 537? Without doing long division? I can!…

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