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Answer as many as you can:

1. GCF of 48,64,96

2. GCF of 18,30,60

3.GFC of 36,54,135

Thank you!

2007-01-07 10:21:39 · 9 answers · asked by alexandra m 2 in Science & Mathematics Mathematics

9 answers

Factor them to find out.

1. GCF of 48,64,96

48 = 2*2*2*2*3 = (2^4)*8
64 = 2*2*2*2*2*2 = 2^6
96 = 2*2*2*2*2*3 = (2^5)*3

So the greatest common factor is (2^4) = 16

They all have this in common.

The other two work the same way.

2007-01-07 10:29:37 · answer #1 · answered by Northstar 7 · 0 0

1. 16 is the greatest common factor.
3 x 16 = 48, 4 x 16 = 64, 6 x 16 = 96

2. 6 is the GCF of these three mnumbers.

3. 9 is the GCF of these numbers. 135 = 9 x 15. The others should be obvious.

2007-01-07 10:33:54 · answer #2 · answered by MathBioMajor 7 · 0 0

GCF... I do it by finding the prime factorization (making a # a product of prime numbers) 70 = 2 × 5 × 7 35 = 5 × 7 what's the largest part that's in both 2 × 5 × 7 and 5 × 7? Well, 5 × 7 or 35 GCF (70 & 35) = 35 LCM Again with prime factorization 10 = 2 × 5 8 = 2 × 2 × 2 the 2 in both equations cancels 1 "2×" out so so LCM (10 & 8) = 5 × 2 × 2 × 2= 40 The first 9 LCMs are the multiples of 40 Namely, 40, 80, 120, 160, 200, 240, 280, 320, 360 QED

2016-05-23 04:59:46 · answer #3 · answered by Anonymous · 0 0

1. GCF of 48,64,96
48= 2*2*2 *2*3
64=2*2*2*2*2*2
96= 2*2*2*2*2*3
S0 GCF = 2*2*2*2 = 16

2. GCF of 18,30,60
18 = 2*3*3
30= 2*3*5
60= 2*2*3*5
So GCF = 3

3.GFC of 36,54,135
36= 2*2*3*3
54= 2*3*3*3
135 = 3*3*3*5
GCF = 3*3 = 9

2007-01-07 10:35:15 · answer #4 · answered by ironduke8159 7 · 0 0

1.
48 = 2^4 * 3
64 = 2^6
96 = 2^5 * 3
GCF = 2^6 * 3 = 192
2.
18 = 2 * 3^2
30 = 2 * 3 * 5
60 = 2^2 * 3 * 5
GCF = 2^2 * 3^2 * 5 = 180
3.
36 = 2^2 * 3^2
54 = 2 * 3^3
135 = 5 * 3^3
GCF = 2^2 * 3^3 * 5 = 540

2007-01-07 10:31:36 · answer #5 · answered by James Chan 4 · 0 0

1: 192
2. 180
3. 540

2007-01-07 10:27:42 · answer #6 · answered by Anonymous · 0 0

1 is 24 i think 2 is 6.. but im not positive...

2007-01-07 10:25:49 · answer #7 · answered by guy who needs cheets 2 · 0 0

I would love to help you, but then shouldn't you be doing your own homework???

ok,,ok,ok, just this once.

1.8
2.6

number three takes longer than 5 seconds so i'm not doing that one.

2007-01-07 10:29:22 · answer #8 · answered by BlackDog 1 · 0 0

1.) positive divisor of 48 are 1,2,3,4,6,8,12,16,24,48
positive divisor of 64 are 1,2,4,8,16,32,64
positive divisor of 96 are 1,2,3,4,6,8,12,16,24,32,48,96
GCF = 16

2.) positive divisor of 18 are 1,2,3,6,9,18
positive divisor of 30 are 1,2,3,5,6,10,15,30
positive divisor of 60 are 1,2,3,4,5,6,10,12,15,20,30,60
GCF = 6

3.) positive divisor of 36 are 1,2,3,4,6,9,12,18,36
positive divisor of 54 are 1,2,3,6,9,18,27,54
positive divisor of 135 are 1,3,5,9,15,27,45,135
GCF = 9

2007-01-07 10:35:38 · answer #9 · answered by ... 1 · 0 0

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