# Calculate the Least Common Multiple or LCM of 52 and 1687

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The instructions to find the LCM of 52 and 1687 are the next:

## 1. Decompose all numbers into prime factors

52 | 2 |

26 | 2 |

13 | 13 |

1 |

1687 | 7 |

241 | 241 |

1 |

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

Prime factors of 52 | = | 2^{2} . 13 |

Prime factors of 1687 | = | 7 . 241 |

## 3. Choose the common and uncommon prime factors with the greatest exponent

Common prime factors: None

Common prime factors with the greatest exponent: None

Uncommon prime factors: 2 , 13 , 7 , 241

Uncommon prime factors with the greatest exponent: 2^{2}, 13^{1}, 7^{1}, 241^{1}

## 4. Calculate the Least Common Multiple or LCM

Remember, to find the LCM of several numbers you must multiply the common and uncommon prime factors with the greatest exponent of those numbers.

**LCM** = 2^{2}. 13^{1}. 7^{1}. 241^{1} = 87724

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