There are not common factors of 30 because there cannot be common factors without two or more numbers to compare. Common factors are factors that the numbers being compared have in common.
The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.
The prime factors of 30 are 2, 3, and 5.
Chat with our AI personalities
You need at least two numbers to find a GCF.
The GCF of 30 and 100 is 10.The prime factorization of 30 is 2x3x5The prime factorization of 100 is 2x2x5x5GCF(30, 100) = 2x5 = 10
The highest common factor of the numbers 30, 60 and 72 is 6.
A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common. One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors of 38 are 1, 2, 19, and 38. The common factors are 1 and 2. Therefore, the greatest common factor is 2.
A common factor of several numbers is a number that can divide evenly into each one of them. '10' is a common factor of 20 and 30. '5' is a common factor of 10 and 15. '3' is a common factor of 6, 9, and 12. '2' is a common factor of all even numbers. '1' is a common factor of all whole numbers.