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Practice >>
Fourth Grade >>
Factors and Multiples: Prime factorization by division

The prime factorization of 80 has been obtained by division. Find the missing numbers.

2	80
A	40
2	20
2	B
	C

80 = 2 x A x 2 x 2 x C

A = 2; B = 10; C = 5

A = 2; B cannot be identified; C = 5

A = 2; B = 10; C = 9

A = 2; B = 0; C = 5

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