It is 22.
21
-21
Whole numbers are known as zero plus the "counting numbers." (1, 2, 3, ...) So, the whole numbers of 21 would be 0 - 21. (23 numbers.)
24 + 21 = 45 24 - 21 = 3 Therefore, the two numbers are 21 and 24.
You need at least two numbers to find a GCF. The GCF of 21 and 42 is 21.
37 + 21 = 5837 - 21 = 16The two numbers therefore are 37 and 21.
1, 3, 7 and 21. Four numbers.
How about: 3*7 = 21 or 1*21 = 21
The LCM is 189.
you use 3 numbers not 4 in a game of 21 dares
The prime numbers from 21 to 40 are 23, 29, 31, and 37.
21 has the most factors of the given numbers.