Here we will explain what 127 mod 129 means and show how to calculate it. 127 mod 129 is short for 127 modulo 129 and it can also be called 127 modulus 129.
Modulo is the operation of finding the Remainder when you divide two numbers. Therefore, when you ask "What is 127 mod 129?" you are asking "What is the Remainder when you divide 127 by 129?".
We will show you two methods of finding 127 mod 129 (127 modulo 129). To differentiate our methods, we will call them the "Modulo Method" and the "Modulus Method".
Before we continue, we remind you of what the different parts of a division problem are called so you can follow along: Dividend / Divisor = Quotient and in this case 127 is the Dividend, 129 is the Divisor, and the answer is called the Quotient.
Furthermore, the Quotient x.y has two parts: x to the left of the decimal point is the Whole part, and y to the right of the decimal point is the Fractional part.
Modulo Method
To find 127 mod 129 using the Modulo Method, we first divide the Dividend (127) by the Divisor (129).
Second, we multiply the Whole part of the Quotient in the previous step by the Divisor (129).
Then finally, we subtract the answer in the second step from the Dividend (127) to get the answer. Here is the math to illustrate how to get 127 mod 129 using our Modulo Method:
127 ÷ 129 ≈ 0.984496
0 × 129 = 0
127 - 0 = 127
Thus, the answer to "What is 127 mod 129?" is 127.
Modulus Method
To find 127 mod 129 using the Modulus Method, we first find the highest multiple of the Divisor (129) that is equal to or less than the Dividend (127).
Then, we subtract the highest Divisor multiple from the Dividend to get the answer to 127 modulus 129 (127 mod 129):
Multiples of 129 are 0, 129, 258, 387, etc. and the highest multiple of 129 equal to or less than 127 is 0. Therefore, to get the answer:
127 - 0 = 127
Thus, once again, the answer to "What is 127 mod 129?" is 127.
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