For which number d can d divide a² without dividing a? | StemPy Lab

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For which number d can d divide a² without dividing a? | StemPy Lab

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For which number d can d divide a² without dividing a?

MathematicsMediumHigh School (9–10)GeneralNumber Systems › Rational and Irrational Numbers

Created by StemPy Lab

For which number $d$ can $d$ divide $a^2$ without dividing $a$ ?

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← The prime 7 divides a², where a is a whole number. Which statement must be true?A proof begins: "Suppose √2 = a/b, in lowest terms." What is the next step? →

More onNumber Systems › Rational and Irrational Numbers

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