Solutions by everydaycalculation.com

The LCM of 490 and 10 is 490.

- Find the prime factorization of 490

490 = 2 × 5 × 7 × 7 - Find the prime factorization of 10

10 = 2 × 5 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 5 × 7 × 7 - LCM =
**490**

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