Q: What is 21 x 42?

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21 x 42 = 882

The answer is 42. 6 x 7 equals 42. 21 x 2 equals 42.

42 = 21 x 31 x 71 126 = 21 x 32 x 71 210 = 21 x 31 x 51 x 71 Take the lowest power of the common primes: hcf of 42, 126 & 210 is 21 x 31 x 71 = 42.

1 x 42, 2 x 21, 3 x 14, 6 x 7, 7 x 6, 14 x 3, 21 x 2, 42 x 1 = 42

7 3 x 7 = 21 6 x 7 = 42

Related questions

21 x 42 = 882

The GCF of 42 and 273 is 21. 42 = 2 x 21 273 = 13 x 21

The answer is 42. 6 x 7 equals 42. 21 x 2 equals 42.

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42 = 1 x 42, 2 x 21, 3 x 14, 6 x 7, 7 x 6, 14 x 3, 21 x 2, 42 x 1

42 21 x 2 = 42 14 x 3 = 42

10 x 21 = 210 2 x 21 = 42 210 + 42 = 252 12 x 21 = 252

1 x 42, 2 x 21, 3 x 14, 6 x 7, 7 x 6, 14 x 3, 21 x 2, 42 x 1 = 42

The factors of 42 are 1, 2, 3, 6, 7, 14, 21 and 42. The factor pairs of 42 are 1 x 42, 2 x 21, 3 x 14, and 6 x 7.1, 2, 3, 6, 7, 14, 21, 42.1 2 3 6 7 21 14 42

42 = 21 x 31 x 71 126 = 21 x 32 x 71 210 = 21 x 31 x 51 x 71 Take the lowest power of the common primes: hcf of 42, 126 & 210 is 21 x 31 x 71 = 42.

1 x 42, 2 x 21, 3 x 14, 6 x 7, 7 x 6, 14 x 3, 21 x 2, 42 x 1 = 42

7 3 x 7 = 21 6 x 7 = 42