# Calculate the Greatest Common Factor or GCF of 43

Sponsors

The instructions to find the GCF of 43 are the next:

## 1. Decompose all numbers into prime factors

43 | 43 |

1 |

## 2. Write all numbers as the product of its prime factors

Prime factors of 43 | = | 43 |

## 3. Choose the common prime factors with the lowest exponent

Common prime factors: 43

Common prime factors with the lowest exponent: 43^{1}

## 4. Calculate the Greatest Common Factor or GCF

Remember, to find the GCF of several numbers you must multiply the common prime factors with the lowest exponent.

**GCF** = 43^{1} = 43

Also calculates the: