Here we will explain what 147 mod 2 means and show how to calculate it. 147 mod 2 is short for 147 modulo 2 and it can also be called 147 modulus 2.
Modulo is the operation of finding the Remainder when you divide two numbers. Therefore, when you ask "What is 147 mod 2?" you are asking "What is the Remainder when you divide 147 by 2?".
We will show you two methods of finding 147 mod 2 (147 modulo 2). 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 147 is the Dividend, 2 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 147 mod 2 using the Modulo Method, we first divide the Dividend (147) by the Divisor (2).
Second, we multiply the Whole part of the Quotient in the previous step by the Divisor (2).
Then finally, we subtract the answer in the second step from the Dividend (147) to get the answer. Here is the math to illustrate how to get 147 mod 2 using our Modulo Method:
147 ÷ 2 = 73.5
73 × 2 = 146
147 - 146 = 1
Thus, the answer to "What is 147 mod 2?" is 1.
Modulus Method
To find 147 mod 2 using the Modulus Method, we first find the highest multiple of the Divisor (2) that is equal to or less than the Dividend (147).
Then, we subtract the highest Divisor multiple from the Dividend to get the answer to 147 modulus 2 (147 mod 2):
Multiples of 2 are 0, 2, 4, 6, etc. and the highest multiple of 2 equal to or less than 147 is 146. Therefore, to get the answer:
147 - 146 = 1
Thus, once again, the answer to "What is 147 mod 2?" is 1.
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