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Q: Is 6 a prime factor of 132?

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No

6 is not a prime number but it is a factor of 72

132 is a composite number. If a number ends in 0, 2, 4, 6 or 8 it is even and is divisible by 2. So it cannot be prime, it is composite.

Both 6 and 9 have the number 3 as a prime factor. 6 = 3 x 2 9 = 3 x 3

1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356 2, 3 and 11 are prime.

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2 x 2 x 3 x 11 = 132 The prime factors of 132 are 2, 3 and 11.

No

132 66,2 33,2,2 11,3,2,2

Use a factor tree. 132 66,2 33,2,2 11,3,2,2

132 66,2 33,2,2 11,3,2,2

greatest common factor of 54 and 132 is 6.

To find the GCF of two numbers, the first step is to break them into their prime factors. In this case: 132 = 2x2x3x11 210 = 2x3x5x7 The next step is to identify any common prime factors. In this case both numbers have a 2 and a 3 as a prime factor. To find the greatest common factor, we just take these terms and multiply them together: 2x3=6. Thus the GCF of 132 and 210 is 6.

2 x 2 x 3 x 11 = 132

The GCF is 6.

132 66,2 33,2,2 11,3,2,2 2 x 2 x 3 x 11 = 132

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