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22). Explain why 7×11×13+13 and 7×6×5×4×3×2+5 are composite numbers. |
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Answer» -STEP explanation:7×11×13+13 may be WRITTEN as, i.e. 13 * (78). So other than 1 and the number itself, 13 and 78 are also the FACTORS of the number. ... Hence its composite number. SIMILARLY, 7×6×5×4×3×2×1+5 can be written as , i.e. 5 * (1009). |
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