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No, the first give-away is that it is an even number (divisible by 2).
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∙ 14y ago
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What is the prime number of 642?
The prime factorization of 642 is 2 x 3 x 107.
Is 642 a prime or composite number?
The number 642 is not a prime number as it can be divided by 2 aswell as itself and one.
Is 642 prime or composite?
642 is composite. It is divisible by 2, 3, 107, 214, and 321.
What are the factors and prime factors of 642?
1, 2, 3, 6, 107, 214, 321, 642 2, 3 and 107 are prime.
What are the prime factors for number 642?
They are: 2, 3 and 107
Is 642 a prime number?
Just by looking at it, without trying any factors to see if they work, you can see-- 642 is even, i.e. divisible by 2, since it ends in '2'-- 642 is divisible by 3, since its digits add up to (6+4+2) = 12 which is divisible by 3.Just looking at 642, you already know of at least 2 factors that it has besides '1' and itself,so it can't be a prime number.
What is 642 divisible by?
1, 2, 3, 6, 107, 214, 321, 642
What is 642 plus 642 plus 642 plus 642 plus 642 plus 642 plus 642?
The answer is 4494. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.
What is the numeral for 642?
The Roman numeral for 642 is 'tree'.
What is the product of 642 and 9?
642 multiplied by 9 is 5,778.
What is one third of 642?
1/3 of 642 is 214.
Is 642 closer to 600 or 700?
642 is closer to 600
