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What numbers when you multiply together equal 21?
7 x 3
What numbers can you multiply to get the number 21?
How about: 3*7 = 21 or 1*21 = 21
What numbers multiply together equal 63?
1, 3, 7, 9, 21 and 63: 1 x 63, 3 x 21, 7 x 9
What numbers do you multiply to get 21?
1, 3, 7, 21: 1 x 21, 3 x 7
How would you find the LCM of 3 prime numbers?
What you do is multiply all 3 numbers together.
What numbers when you multiply together equal 21?
7 x 3
What two numbers multiply together to equal 147?
3 & 49; 7 & 21
What is tow LCM of 7 and 3?
To find the LCM of two numbers you need to multiply them together and then divide by the HCF. In this case, the numbers are coprime and so the HCF will be 1. Therefore was just have to multiply the numbers together: 7x3 = 21 And so the LCM of 7 and 3 is 21.
What are factor pairs for 21?
Factors are numbers you can multiply together to get another number. 21: (1, 21) (3, 7)
What numbers can you multiply to get the number 21?
How about: 3*7 = 21 or 1*21 = 21
What numbers multiply together equal 63?
1, 3, 7, 9, 21 and 63: 1 x 63, 3 x 21, 7 x 9
What two numbers multiply together to equal 63?
1 x 63, 3 x 21, 7 x 9
What numbers multiply to be 21?
3 x 7 1 x 21
What numbers do you multiply to get 21?
1, 3, 7, 21: 1 x 21, 3 x 7
What tow numbers multiply to 21?
1 x 21, 3 x 7
How would you find the LCM of 3 prime numbers?
What you do is multiply all 3 numbers together.
What two numbers multiply to -21 and add to 4?
-17
