# Calculate the Greatest Common Factor or GCF of 1121

Sponsors

The instructions to find the GCF of 1121 are the next:

## 1. Decompose all numbers into prime factors

1121 | 19 |

59 | 59 |

1 |

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

Prime factors of 1121 | = | 19 . 59 |

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

Common prime factors: 19 , 59

Common prime factors with the lowest exponent: 19^{1}, 59^{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** = 19^{1}. 59^{1} = 1121

Also calculates the: