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MATH / Pick two or fewer different digits from the set {1,3,6,7} and arrange them to form a number. How many prime numbers can we create in this manner?

Problem

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problem

Pick two or fewer different digits from the set {1,3,6,7}\{1, 3, 6, 7\} and arrange them to form a number. How many prime numbers can we create in this manner?
Plain-text mathematical notation (without MathML)
Pick two or fewer different digits from the set {1,3,6,7} and arrange them to form a number.  How many prime numbers can we create in this manner?
Original LaTeX notation
Pick two or fewer different digits from the set $\{1, 3, 6, 7\}$ and arrange them to form a number.  How many prime numbers can we create in this manner?

level

Level 5

type

Prealgebra

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Source and history

Official source

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