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Earn +20 ptsQ: Why is 21 divisible by 1 21 3 and 7?
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What is the divisible of 21?
The numeral '21' is evenly divisible by 21, 7, 3, and 1.
The numbers that 21 are divisible by?
1, 3, 7, 21
What numbers are 21 divisible by?
They are members of the infinite set of numbers of the form 21*k where k is an integer.
What is 13 and 21 divisible by?
1, 13 1, 3, 7, 21
Why is the number 21 composite?
Because 21 is divisible by numbers other than 1 and 21. 21 is divisible by 1, 3, 7, 21
Is 21 a prime number?
A prime number is any integer evenly divisible by only itself, and the number 1. Since 21 is divisible by 3 and 7, it is a composite number, not a prime number.No, 21 is not a prime number.21 is divisible by 1, 3, 7, & 21No. 21=3*7
Is 21 a prim number?
No, it is composite. 21 is divisible by 1, 3, 7, and 21. =)
What number is 21 divisible by?
1, 3, 7, 21.
What is 42 divisibility by?
42 is divisible by: 1 2 3 6 7 14 21 and 42.
What is 63 divisible by?
1, 3, 7, 9, 21, 63
What is 399 divisible by?
1, 3, 7, 19, 21 and 399.
42 is divisible by what numbers?
7,2,6,42,1, 21, 3,
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