हिंदी

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
सत्य या असत्य
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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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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Real Numbers - EXERCISE 1.3 [पृष्ठ १.२५]

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