मराठी

State true or false for the following statement and justify your answer: 2 × 3 × 5 × 7 + 7 is a composite number

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प्रश्न

State true or false for the following statement and justify your answer:

2 × 3 × 5 × 7 + 7 is a composite number

औचित्य
चूक किंवा बरोबर
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उत्तर

This statement is true.

Explanation:

2 × 3 × 5 × 7 + 7 = 210 + 7

= 217

= 7 × 31 

So it has factors 7 and 31 and is therefore composite.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Real Numbers - EXERCISE 1.3 [पृष्ठ १.२५]

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आर.डी. शर्मा Mathematics [English] Class 10
पाठ 1 Real Numbers
EXERCISE 1.3 | Q 8. (i) | पृष्ठ १.२५
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