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Math Arguments

Math Arguments

Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.

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Item 652

Mental Math

What is the largest prime prime factor of 2020?

Repeat for 3030, 4040, ...

2020, 3030, 4040, ... 9090, ??
What number comes next in that sequence?

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Number Theory
David Marain
MS Math

Source: David Marain

Gr5-8 Mental Math Largest prime factor of 2020? Repeat for 3030,4040,...9090. What # comes next?
— David Marain (@dmarain) October 7, 2020

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