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Question

Find the prime factorization of number 154.

Answer

The prime factorization of 154 is:

$$ 154 = 2\cdot7\cdot11 $$

Explanation

Prime factorization can be nicely visualized by creating a factorization tree.

154 can be written as 2 × 77.
  • 154
    • 2
    • 77
77 can be written as 7 × 11.
  • 154
    • 2
    • 77
      • 11
      • 7
The end nodes are the prime factors of the number 154.
  • 154
    • 2
    • 77
      • 11
      • 7
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Prime factorization calculator