Flashcards
Factoring
Cards in this deck (5)
- 1Is 22 divisible by 2, 4, 5, 7, and/or 9? 22/2=11 22/4=5.5 22/5=4.4 22/7=3.142 22/9=2.444 Your answers would be 2 only.Is 16 divisible by 2, 4, 5, 7, and/or 9?
16/2=8
16/4=4
16/5=3.2
16/7=2.285
16/9=1.777
Your answers would be 2 and 4. - 2Is 22 divisible by 11? Yes 22/11=2Is 14 divisible by 4?
No 14/4=3.5 - 3What can be multiplied to get 25? (1, 25) (5, 5) 1, 5, 25What can be multiplied to get 26?
(1, 26) (2, 13)
1, 2, 13, 26 - 4Factor tree of 12 12 2 and 6 2 and 3 2^2 times 3Factor tree of 16
2 and 8
2 and 4
2 and 2
2^4 - 5Greatest Common Factor of 18 and 21 18 (1, 18) (2, 9) (3, 6) 21 (1, 21) (3, 7) GCF= 3GCF of 30 and 27
30 (1, 30) (2, 15) (3, 10) (5, 6)
27 (1, 27) (3, 9)
GCF=3