what are the prime factors of 21


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What is the prime factorization of 63?
What is the prime factorization of 63? => 3 × 7 × 3 or 7 × 3 or 3 × 21 or 3 × 6 × 3..
Prime factors
They are prime numbers which are factors of a given number. e.g., Prime factors of 42 = 2 x 3 x..
Identify the whole number that does not have 7 as a prime factor.
Identify the whole number that does not have 7 as a prime factor. => 18 or 140 or 21 or 63..
What is the prime factorization of 96?
What is the prime factorization of 96? => 2 1 × 3 1 or 2 1 × 5 2 or 2 2 × 3 1 × 5 3 or 2 5 × 3 1..
Identify the prime factors of 42.
Identify the prime factors of 42. => 2, 3, 5 or 3, 4, 5 or 2, 3, 7 or 2, 4, 5..
Which of the following is the prime factorization of 54?
Which of the following is the prime factorization of 54? => 3 × 2 × 8 or 2 × 2 × 11 or 3 × 2 × 3 × 3 or 3 × 2 × 9..
Find the prime factorization of 96.
Find the prime factorization of 96. => 3 2 × 2 4 or 3 1 × 2 3 or 3 1 × 2 5 or 3 2 × 2 5..
Which of the following is the prime factorization of 220?
Which of the following is the prime factorization of 220? => 2 2 × 5 × 11 or 2 2 × 3 × 11 or 2 × 5 × 11 or 2 3 × 5 × 11..
Find the prime factorization of 242.
Find the prime factorization of 242. => 2 2 × 11 2 or 2 × 11 2 or 2 2 × 11 or 2 × 3 × 11 2..
Choose a rectangle that shows the factors of 21.
Choose a rectangle that shows the factors of 21. => Figure 1 or Figure 2 or Figure 4 or Figure 3..
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