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## How do you check if a number is a multiple of 3?

The pattern for multiples of 3 is based **on the sum of the digits**. If the sum of the digits of a number is a multiple of 3 , then the number itself is a multiple of 3 .

## How find multiple of a number in PHP?

**Use the % operator**.

The Modulo operator divides the numbers and returns the remainder. In math, a multiple means that the remainder equals 0. The modulus operator (%) performs a division and returns the remainder.

## Is the number a multiple of 3?

**Any number that can be denoted in the form 3p where p is an integer is a multiple of 3**. For example, 9, 12, 21 and 36 are all multiples of 3 for the following reasons.

…

The multiples of 3.

Multiplication: | Multiples of 3: |
---|---|

3 x 11 | 33 |

3 x 12 | 36 |

3 x 13 | 39 |

3 x 14 | 42 |

## How do you figure out if a number is a multiple of another number?

When one number can be divided by another number with no remainder, we say **the first number is divisible by the other number**. For example, 20 is divisible by 4 ( ). If a number is divisible by another number, it is also a multiple of that number. For example, 20 is divisible by 4, so 20 is a multiple of 4.

## How do you check if a number is a multiple of 3 Java?

**If the sum of the digits of a number is divisible by 3**, then the number is divisible by 3. Some examples of numbers divisible by 3 are as follows. The number 85203 is divisible by 3 because the sum of its digits (8 + 5 + 2 + 0 + 3 = 18) is divisible by 3.

## How do you check if a number is a multiple of 3 or 5?

A number, x, is said to be a multiple of another number, y, if the remainder of x / y x/y x/y is 0. Similarly, a number, n, will be a multiple of 3 and 5 if the remainder of n / 3 n/3 n/3 and n / 5 n/5 n/5 is equal to 0.

## How do you check if a number is a multiple of 5?

To check whether a number is divisible by 5, we have **to see the last number is 0 or 5**. If that is 0 or 5, the number is divisible by 5, otherwise not.

## Which choice is a multiple of 3?

Multiples of 3: **3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36**, … Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, …

## What is the average of first five multiple of 3?

We know that the first five multiples of 3 are 3, 6, 9, 12, 15. Here, there are 5 numbers. Therefore the mean of the first five multiples of 3 is **9**.

## How do you check if a number is a multiple of 7?

**How to Tell if a Number is Divisible by 7**

- Take the last digit of the number you’re testing and double it.
- Subtract this number from the rest of the digits in the original number.
- If this new number is either 0 or if it’s a number that’s divisible by 7, then you know that the original number is also divisible by 7.

## How do you check if a number is a multiple of 4?

Multiples of 4 are numbers in the 4 times table. A number is divisible by 4 if the last two digits are divisible by 4. **If you halve the tens and ones part of a number and the answer is even**, then it is a multiple of 4.