Multiple choice

What is the highest number that completely goes into 144 and 164?

  1. 24

  2. 16

  3. 8

  4. 4
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Factors of 144 = 1, 2, 3, 4, 6, 9, 12, 16, 18, 24, 36, 48, 72, 144 Factors of 164 = 1, 2, 4, 41, 82, 164 Common factors = 1, 2, 4 HCF = 4

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