For two or more positive integers, an integer (divisor) that divides all of them is called the common divisor of the first integers, and the largest of the common divisors is called the greatest common divisor. Greatest Common Measure is also abbreviated as GCM. All common divisors are divisors of the greatest common divisor. To find the greatest common divisor, you can use the idea of prime factorization as follows.
[Tatsuro Miwa] [Reference] | |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
二つ以上の正の整数について、そのどれをも割り切る整数(約数)を、初めの整数の公約数といい、公約数のうちで最大のものを最大公約数という。英語のGreatest Common Measureを略してG.C.M.とも書く。公約数はすべて最大公約数の約数になっている。最大公約数を求めるには、素因数分解の考えを基にして、次のようにすればよい。
[三輪辰郎] [参照項目] | |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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