find the number of divisiors of 8400
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Answer:
60
Step-by-step explanation:
8400= 2×2×2×2×3×7×5×5= 2⁴× 3¹×7¹×5²
number of divisors= (a+1) ( b+1) ( c+1). (d+1)
= (4+1) (1+1) ( 1+1) (2+1)
= 5× 2×2×3= 60
where a ,b, c, d are the powers of prime factors.
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