1.

How many prime factors are there in the expression 1240 × 1448 × 254?1). 2822). 2373). 1424). 224

Answer»

1240 × 1448 × 254

⇒ (22 × 3) 40 × (2 × 7) 48 × (52) 4

⇒ (2) 80 × (3) 40 × (2) 48 × (7) 48 × (5) 8

Number of PRIME FACTORS = 80 + 40 + 48 + 48 + 8 = 224


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