Math, asked by kaniacrs2, 7 months ago

3. Determine whether each number is prime or composite: a. 721 b. 513

Answers

Answered by Arm25

1

Step-by-step explanation:

prime no. = no. having only two factor 1 and no. itself

both are not a prime no. bcoz

721 is divisible by 7 and 103

513 is divisible by 171 and 3

that's why they are not prime no.

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