Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 4, 10 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 4 and 10 is **2**.

GCF(4,10) = 2

*Greatest common factor* or Greatest common divisor (GCD) can be calculated in following way;

- Greatest Common Factor of 4 and 10 by prime factorization method
- Greatest Common Factor of 4 and 10 by matching factors method

**Prime Factorization of 4**

2 | 4 |

2 | 2 |

1 |

Prime factors of 4 are 2. Prime factorization of **4** in exponential form is:

4 = 2^{2}

**Prime Factorization of 10**

2 | 10 |

5 | 5 |

1 |

Prime factors of 10 are 2.Prime factorization of **10** in exponential form is:

10 = 2^{1}×5^{1}

∴ So by taking common prime factors GCF of 4 and 10 is 2

**Factors of 4**

List of positive integer factors of 4 that divides 4 without a remainder.

1,2,4

**Factors of 10**

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

**Greatest Common Factor**

We found the factors and prime factorization of 4 and 10. The biggest common factor number is the **GCF** number.

So the **greatest common factor 4 and 10** is **2**.

Also check out the Least Common Multiple of 4 and 10

(i) The GCF of 4 and 10 is associative

GCF of 4 and 10 = GCF of 10 and 4

1. What is the GCF of 4 and 10?

Answer: GCF of 4 and 10 is 2.

2. What are the Factors of 4?

Answer: Factors of 4 are 1, 2, 4. There are 3 integers that are factors of 4. The greatest factor of 4 is 4.

3. What are the Factors of 10?

Answer: Factors of 10 are 1, 2, 5, 10. There are 4 integers that are factors of 10. The greatest factor of 10 is 10.

4. How to Find the GCF of 4 and 10?

Answer:

Greatest Common Factor of 4 and 10 = 2

Step 1: Find the prime factorization of 4

4 = 2 x 2

Step 2: Find the prime factorization of 10

10 = 2 x 5

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 2

Step 4: Therefore, the greatest common factor of 4 and 10 is 2