Solution: The first 10 multiples of 21 are, 21, 42, 63, 84, 105, 126, 147, 168, 189 and 210. Each multiple of 21 is entirely divisible by 7 and occurs in the table of 7, hence, each multiple of 21 is also the multiple of 7.
Is 21 a multiple of blank?
Multiples of 2, like …–8, –6, –4, –2, 0, 2, 4, 6, 8, 10, 12…, are all even, 2 × any integer. Generally: The multiples of an integer are all the numbers that can be made by multiplying that integer by any integer. Because 21 can be written as 3 × 7, it is a multiple of 3 (and a multiple of 7).
What multiples of 21 are less than 100?
First 10 Multiples of 21 are:- 21, 42, 63, 84, 105, 126, 147, 168, 189 and 210.
What can you multiply with another number to get 21?
In other words, what number can you multiply with another number to get 21? There are at least two combinations of two numbers that you can multiply together to get 21.
What are two numbers add to 13 but multiply to?
there is no number between 5 and 6 so that is the last pair! Now they have to multiply to give -30. This is a negative number so one will have to be negative and one will be positive. They also have to add to be 13 which is positive so the biggest one will be positive.
How to calculate multiples of 13 in calculator?
Multiples of 13: 13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 156, 169, 182, 195, 208, 221, 234, 247, 260 Multiples of 14: 14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168, 182, 196, 210, 224, 238, 252, 266, 280
Are there any combinations of two numbers that equal 21?
There are at least two combinations of two numbers that you can multiply together to get 21. For your convenience, we have made a list of all the combinations of two numbers multiplied by each other that will make 21: Enter another number below to see which combinations of two numbers multiplied will equal that number.
