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Fundamental theorem of Arithmetic
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Twin prime and Coprime numbers
Twin prime and Coprime numbers
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Applied Mathematics
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Prime Numbers and Composite Numbers
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Prime and Composite Numbers
3 mins read
Important Questions
Explain why 7 x 11 x 13 + 13 and 7 x 6 x 5 x 4 x 3 x 2 x 1 + 5 are composite numbers.
Medium
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Explain why
$3×5×7+7$
is a composite number.
Easy
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>
Number of prime numbers from 1 to 50 are
Easy
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>
Which of the following pair of numbers is co-prime?
Hard
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>
Which of the following is a pair of co-primes?
Medium
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>
Explain why 13233343563715 is a composite number?
Easy
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>
Find the truth value
Neither
$21$
is a prime number nor it is divisible by
$3$
Medium
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>
Which of the following is a prime number?
Easy
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>
Find the value of p and q, so that the prime factorisation of 2520 can be expressed as
$2_{3}×3_{p}×q×7$
.
Medium
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>
Write all prime numbers between 1 and 10.
Easy
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>