Which number is the composite number 71, 31,61 or 51

is 1 a composite number or a prime number?

WHAT IS A COMPOSITE NUMBER AND WHY?

which number is a composite? A 41 B. 81 C. 31 D. 47 PLZ HELP!!!!!!!

Why is 25 a composite number

A composite number cannot have exactly 3 factors . True or False

I am a composite number. I am greater than 16, but less than 20. Two of my factors are a number and...

is 27 a composite number

Which number is a composite number 17 37 13 63

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