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35, 55, 77, 385 must be.
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Because 5 and 7 are prime numbers of 385what must be the composite factor of 385?
11, 35, 55, 77, 385
What is a composite factor of 385?
77
Is 385 a prime or composite number?
composite
Is 385 a prime number?
A prime number has only 2 factors: 1 and itself. 385 has a 5 in the ones place, so 5 is also a factor. Since 5 X 77 = 385, 77 is a factor, too. There might be other factors. 385 is a composite number because it has more factors than 1 and itself.
What must be a composite factor of 445?
89 and 445
How is 42 prime or composite?
It's an even number so 2 must be a factor so it is composite.
What is a factor tree of 385?
385 77,5 11,7,5
What is the factor tree of 385?
385 77,5 11,7,5
What is the greatest common factor of 77 and 385?
Since 77 is a factor of 385, it is automatically the GCF.
What is the greatest common factor of 12 and 385?
The greatest common factor of 12 and 385 is 1.
What is a composite factor?
A composite factor is a factor that is a composite number, as opposed to a prime factor which is a factor that is a prime number.
Is 385 a composite number?
Yes. It ends in 5 so it is a multiple of 5. 5 * 77 = 385.
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