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Q: What is hcf of 378 and 196 and 126?

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3

The GCF is 14.

gcf(126, 196, 378) = 14. Using prime factorization: 126 = 2 x 3² x 7 196 = 2² x 7² 378 = 2 x 3³ x 7 hcf = 2 x 7 = 14

It is: 14 126 = 14 x 9 196 = 14 x 14 378 = 14 x 27

It is: 44

126

The GCF is 126.

I'm guessing you mean HCF. You need to find the different factors of each number and then find the biggest one that is common in all 3:126= 1 & 126, 196=1 & 196, 378=1 & 378, 2 & 63, 2 & 98, 2 & 189, 3 & 42, 4 & 49, 3 &126, 6 & 21, 7 & 28, 6 & 63, 7 & 18, 14 &14 7 & 54, 9 & 14 9 & 42, 14 & 27, 18 & 21 I believe that the highest common factor would be 14

LCM is 126, which is the multiple of the highest power of prime factors in the given numbers (2 x 33 x 7).

The GCF is 6.

The GCF is 18.

28

63

63, 126, 189, 252, 315, 378, 441, 504, 567, 630, 693, . . .196, 392, 588, 784, 980, 1176, 1372, 1568, 1764, 1960, 2156, . . .

The GCF is 21.

126, 252, 378, 504, 630.

The GCF/HCF of 196 and 252 is 28.

The GCF is 42.

28

It is: 28

378

It is: 126

126

The GCF/HCF of 216 and 196 is 4.

126,196 and 378's highest common factor is 14.