# Calculate the Greatest Common Factor or GCF of 1212

Sponsors

The instructions to find the GCF of 1212 are the next:

## 1. Decompose all numbers into prime factors

1212 | 2 |

606 | 2 |

303 | 3 |

101 | 101 |

1 |

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

Prime factors of 1212 | = | 2^{2} . 3 . 101 |

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

Common prime factors: 2 , 3 , 101

Common prime factors with the lowest exponent: 2^{2}, 3^{1}, 101^{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^{2}. 3^{1}. 101^{1} = 1212

Also calculates the: