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What is the GCF for 78 168 486?
To find the Greatest Common Factor (GCF) of 78, 168, and 486, we first need to find the prime factorization of each number. 78 = 2 * 3 * 13 168 = 2^3 * 3 * 7 486 = 2 * 3^5 Next, we identify the common prime factors among the three numbers, which are 2 and 3. The GCF is the product of these common prime factors raised to the lowest power they appear in any of the numbers. Therefore, the GCF of 78, 168, and 486 is 2 * 3 = 6.
What is the GCF of 52 78 91 and 117?
To find the Greatest Common Factor (GCF) of 52, 78, 91, and 117, we first need to find the prime factorization of each number. The prime factorization of 52 is 2^2 * 13, 78 is 2 * 3 * 13, 91 is 7 * 13, and 117 is 3^2 * 13. The common prime factors among these numbers are 13. Therefore, the GCF of 52, 78, 91, and 117 is 13.
What goes into 78 and 100?
Well, honey, let me break it down for you. The only thing that goes into both 78 and 100 is good old number 2. Yep, that's right, the only common factor between those two numbers is 2. So, there you have it, simple as that.
Is 78 prime or composite?
Composite. Even numbers higher than 2 are not Primes.
How do you draw a factor tree of 78?
78 6 x 13 (2x3) x 13 The numbers 2, 3, and 13 are prime numbers, so the factor tree is complete. An alternate version of a factor tree for 78 is: 78 2 x 39 2 x (3x13)
