The factor pairs of 21 are:1, 213, 7Therefore, the number 21 has two pairs of positive integer factors.
85% of 213 = 85% * 213 = 0.85 * 213 = 181.05
213 - 0.4*213 = 213 - 85.2 = 127.8
The only composite factor of 213 is 213.
1, 3, 213
The positive integer factors of 213 are: 1, 3, 71, 213
The positive integer factors of 426 are: 1, 2, 3, 6, 71, 142, 213, 426
The factor pairs of 21 are:1, 213, 7Therefore, the number 21 has two pairs of positive integer factors.
639 is a composite number. Its positive integer factors are: 1, 3, 9, 71, 213, 639
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312% of 213= 312% * 213= 3.12 * 213= 664.56
85% of 213 = 85% * 213 = 0.85 * 213 = 181.05
21% of 213= 21% * 213= 0.21 * 213= 44.73
213 - 0.4*213 = 213 - 85.2 = 127.8
43 ÷ 213 = 43/213 ≈ 0.202
The only composite factor of 213 is 213.
1, 3, 213