# Calculate the Greatest Common Factor or GCF of 1056

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The instructions to find the GCF of 1056 are the next:

## 1. Decompose all numbers into prime factors

1056 | 2 |

528 | 2 |

264 | 2 |

132 | 2 |

66 | 2 |

33 | 3 |

11 | 11 |

1 |

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

Prime factors of 1056 | = | 2^{5} . 3 . 11 |

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

Common prime factors: 2 , 3 , 11

Common prime factors with the lowest exponent: 2^{5}, 3^{1}, 11^{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** = 2^{5}. 3^{1}. 11^{1} = 1056

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