Multifactorial and divisors

Number Theory Level 3

Fill in the blank.

$N$ has $3$ prime factors.

$N^2$ has $7!!$ positive divisors.

$N^3$ has $10!!!$ positive divisors.

$\text{\_\_\_\_}$ has $13!!!!$ positive divisors.

Note: You might want to read up the definition of multifactorials first.

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Multifactorial and divisors

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 7 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.