C.4
곱해서 그 수가 되는 두 수 (약수 쌍)
1분기 (9~11월)200 이하 수의 약수 쌍 모두 구하기
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Factor Pairs
Skill C.4 · Factors, multiples & primes · ★★☆ Medium · Quarter 1
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Score/ 8
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List all the factor pairs.
Example
: , , , ,
Think: Try 1, 2, 3, … in order until the factors start to repeat: after comes .
- 1List all the factor pairs of 69.
- 2List all the factor pairs of 132.
- 3List all the factor pairs of 134.
- 4List all the factor pairs of 88.
- 5List all the factor pairs of 142.
- 6List all the factor pairs of 78.
- 7List all the factor pairs of 91.
- 8List all the factor pairs of 99.
Answer Key
C.4 Factor Pairs · ★★☆ Medium
- 1,
- 2, , , , ,
- 3,
- 4, , ,
- 5,
- 6, , ,
- 7,
- 8, ,