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India
Class VI

Primes and Composites

Interactive practice questions

Which ONE of the following describes a prime number?

A natural number that has a factor of $1$1.

A

A natural number that has at most two factors: itself and $1$1.

B

A natural number greater than $1$1 that has exactly two factors: itself and $1$1.

C

A natural number greater than $1$1 that has more than two factors.

D
Easy
< 1min

Which ONE of the following describes a composite number?

Easy
< 1min

True or False?

$54$54 is a prime number.

Easy
< 1min

True or False?

79 is a prime number.

Easy
< 1min
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Outcomes

6.NS.PN.2

Multiples and factors, divisibility rule of 2, 3, 4, 5, 6, 8, 9, 10, 11. (All these through observing patterns.

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