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The learner will write a number as the product of its prime factors.

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Prime Factorization

Write the prime factorization of 51.

$\fn_phv 3\times17$
$2\times3\times7$
$2\times3\times17$
$51\:is\:a\:prime\:number.$

Question 1 of 10

Prime Factorization

Write the prime factorization of 154.

$2\times7\times11$
$2\times77$
$14\times11$
$7\times22$

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Prime Factorization

Write the prime factorization of 99.

$3\times3\times11$
$3\times33$
$3\times11\times11$
$9\times11$

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Prime Factorization

Write the prime factorization of 78.

$2\times3\times13$
$2\times39$
$3\times26$
$2\times2\times3\times11$

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Prime Factorization

Write the prime factorization of 142.

$2\times2\times5\times7$
$4\times5\times7$
$2\times71$
$2\times2\times7$

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Prime Factorization

Write the prime factorization of 61.

$5\times13$
$3\times3\times3\times3$
$2\times31$
$61\:is\:a\:prime\:number.$

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Prime Factorization

Write the prime factorization of 138.

$2\times69$
$3\times46$
$2\times3\times23$
$2\times3\times3\times7$

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Prime Factorization

Write the prime factorization of 70.

$7\times10$
$2\times5\times7$
$5\times14$
$2\times35$

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Prime Factorization

Write the prime factorization of 165.

$5\times33$
$3\times5\times11$
$3\times55$
$11\times15$

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Prime Factorization

Write the prime factorization of 83.

$2\times41$
$2\times2\times3\times7$
$3\times3\times3\times3$
$83\:is\:a\:prime\:number.$

Question 1 of 10

Prime Factorization

Write the prime factorization of 88.

$2\times2\times22$
$2\times2\times11\times11$
$8\times11$
$2\times2\times2\times11$

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Author

Wade Wells

Published: 6/18/2014

Last Updated: 3/23/2015

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Prime Factorization by Fox Valley Technical College is licensed under a Creative Commons Attribution 3.0 Unported License.