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Earn +20 ptsQ: How many of numbers go into 21?
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What numbers can go into 21?
1, 3, 7, 21.
What are all the numbers that go into 21?
1, 3, 7 and 21
What 2 numbers go evenly with 21 and 17?
Nothing can go evenly into 21 or 17. They are both odd numbers and therefore cannot be evenly divided.
What prime numbers go into 21?
They are: 3 and 7
How many prime numbers are there in 21?
21 has two prime factors.
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