What is the prime factorization of the number 1440?

Prime factors of 1440

The prime factors are: 2, 2, 2, 2, 2, 3, 3, 5
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 1440 divided by 2, 2, 2, 2, 2, 3, 3, 5 gives no remainder. This means Prime number are numbers that can divide without remainder.

How to Calculate Prime Factorization of 1440?

The main method of prime factorization is start dividing the number by the any divisible prime numbers until the only numbers left are prime numbers \( (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, ...) \).

\(1440\div \color{red}{2} = 720\)
\(720\div \color{red}{2} = 360\)
\(360\div \color{red}{2} = 180\)
\(180\div \color{red}{2} = 90\)
\(90\div \color{red}{2} = 45\)
\(45\div \color{red}{3} = 15\)
\(15\div \color{red}{3} = 5\)
\(5\div \color{red}{5} = 1\)

Factorize\( (1440) = \) \(2\times 2\times 2\times 2\times 2\times 3\times 3\times 5\)

Factor Tree of 1440

	1440
2		720
	2		360
		2		180
			2		90
				2		45
					3		15
						3		5

If you want to learn more about prime factorization, take a look at the Wikipedia page.

Prime factors of:

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