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Is 30 a multiple of 4 explain how?
No because 4 is not a factor of 30
How do you work your problem of 4 over 30 in simplest form?
You check whether there is a common factor - in this case, common between 4 and 30. If you find one, you divide both numbers by this common factor.
Is 30 a factor of 6?
Yes, 6 is a factor of 30. It evenly divides into 30. 6 x 5 = 30
Is 30 a factor of 30?
Yes. Any number is a factor of itself. 30 x 1 = 30.
Is 30 a factor of 15?
No, 30 is a multiple of 15.
Is 30 a multiple of 4 explain how?
No because 4 is not a factor of 30
Is 4 a prime factor of 30?
No on both counts. 4 is not prime and 4 is not a factor of 30.
What two digit number is a factor of 30 and a multiple of 4?
There is no such number. If a multiple of 4 is a factor of 30, then 4 must also be a factor of 30, but 4 is not a factor of 30 (the factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30), thus no such number exists.
Is 8 the greatest common factor of 24 and 4 explain why or why not?
No, 8 is not a factor of 4.
The factor tree for 60 has all of the factors in the factor trees for 15 and 30 but not 45 Explain why this is true?
Because 45 is not a factor of 60.
Are 4 and 5 both factors of 30?
30 is divisible by 5, but not by 4. So 5 is the factor of 30, but 4 is not.
What is the greatest common factor of 30 and 92?
The greatest common factor of 33 and 92 is 1.
What is the greatest common factor of 4 30 and 42?
The GCF of 4, 30 and 42 is 2.
What is the greatest common factor of 10 and 30 explain?
10, it goes into both ten and thirty
How do you know that 30 is a factor of 120 explain your answer in words?
30 is 2*3*5. 120 is 2^3*3*5. As all the prime factors of 120 appear with a smaller or equal multiplicity in 30, 30 is a factor of 120.
What are is the greatest common factor of 30 and 4?
Factors of 4: 1, 2, 4 Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30 Compare. Greatest common factor is 2.
What are the least common factor of 4 and 30?
It is 1
