WT Cheng's answer to N L's Secondary 1 Maths Singapore question.
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Hi N L,
You"ll need to list down the factors of 8 & 28 in this way:
Factors of 8: 1,2,4,8
Factors of 28: 1,2,4,7,14,28
From above, you have 7 factors of the number required. To find its 8th and last factor, obtain the LCM of 8 & 28 as shown in photo.
Hence, the 8 factors are 1,2,4,7,8,14,28 & 56
You"ll need to list down the factors of 8 & 28 in this way:
Factors of 8: 1,2,4,8
Factors of 28: 1,2,4,7,14,28
From above, you have 7 factors of the number required. To find its 8th and last factor, obtain the LCM of 8 & 28 as shown in photo.
Hence, the 8 factors are 1,2,4,7,8,14,28 & 56
Date Posted:
3 years ago
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