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Daniel [21]
2 years ago
7

Find the GCF 1. 12,21,30 2. 11,44

Mathematics
2 answers:
Dafna1 [17]2 years ago
8 0
The GCF of 12, 21, and 30 is 3.
The factors of 12 are: 1, 2, 3, 4, 6, 12
<span>The factors of 21 are: 1, </span>3, 7, 21
<span>The factors of 30 are: 1, 2, </span>3, 5, 6, 10, 15, 30
<span>Then the greatest common factor is 3.
</span>
The GCF of 11, and 44 is 11. 
The factors of 11 are: 1, 11
The factors of 44 are: 1, 2, 4, 11, 44
Then the greatest common factor is 11. 

Hope this helps.
Marysya12 [62]2 years ago
4 0
1. 420 (30*14=420) (21*20=420) (12*35=420)
2. 44 (11*4=44) (44*1=44)
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