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What is the greatest common factor of 30, 42, and 48?
2368
Correct Answer:
"6"
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Explanation
The greatest common factor of two or more whole numbers is the largest whole number that divides evenly into each of the numbers. We'll work this out by writing the factors of 30, 42 and 48:
Factors of 30
The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30
Factors of 42
The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42
Factors of 48
The factors of 48 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
By looking at the lists, we can see that the greatest common factor of 30, 42 and 48 is 6.
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What is the greatest common factor of 42 30 and 60?
The GCF of 42, 30, and 60 is 6.
What is the greatest common factor of 30 42 24?
The GCF is 6.
What are the highest common factor and lowest common multiple of 30 36 and 42?
HCF(30, 36, 42) = 6 LCM(30, 36, 42) = 1260
What is the greatest common factor 21 and 30 and 44?
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What is the greatest common factor of 30 64 42 196?
the only factor (divisor) between 30 and 64 are 2, this is also a factor of 42 & 196 working upwards: 1 is always a factor of integers 2 is a factor of all even numbers 3 is a factor of 30 & 42, but not 64 or 196 4 is a factor of 64 & 196, but not 30 or 42 5 is a factor of 30, but not the others 6 is a factor of 30 & 42, but not 64 or 196 7 is a factor of 42, but not the others 8 is a factor of 64, but not the others 9 is not a factor of any of the numbers 10 is a factor of 30, but not the others I could continue, but it gets worse from there, with only occasional numbers being factors...
