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2 years ago

Find all 2-digit natural numbers that have exactly three factors. Thanks!

2 answers:

8 0

If the number has 3 factors, the factors would be 1, the number itself, and a a number that could square into it... meaning that you are finding numbers that are 2-digit, postive, perfect squares with no other factors besides 1 and itself. 49 is the only number that will work.

yKpoI14uk [10]2 years ago

5 0

It would be 25 & 49.

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Step-by-step explanation:

Connecting points O and E and points O and J, we get triangle EOJ. This triangle is equilateral triangle, because OJ=OE=JE=r=10 cm.

Since EP⊥IJ, then segment JP is the height of the triangle EOJ.

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